208040256

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 168

約数和(自身を含む): 628912128

約数和(自身を除く): 420871872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 61, 62, 64, 72, 93, 96, 122, 124, 144, 183, 186, 191, 192, 244, 248, 279, 288, 366, 372, 382, 488, 496, 549, 558, 573, 576, 732, 744, 764, 976, 992, 1098, 1116, 1146, 1464, 1488, 1528, 1719, 1891, 1952, 1984, 2196, 2232, 2292, 2928, 2976, 3056, 3438, 3782, 3904, 4392, 4464, 4584, 5673, 5856, 5921, 5952, 6112, 6876, 7564, 8784, 8928, 9168, 11346, 11651, 11712, 11842, 12224, 13752, 15128, 17019, 17568, 17763, 17856, 18336, 22692, 23302, 23684, 27504, 30256, 34038, 34953, 35136, 35526, 36672, 45384, 46604, 47368, 53289, 55008, 60512, 68076, 69906, 71052, 90768, 93208, 94736, 104859, 106578, 110016, 121024, 136152, 139812, 142104, 181536, 186416, 189472, 209718, 213156, 272304, 279624, 284208, 361181, 363072, 372832, 378944, 419436, 426312, 544608, 559248, 568416, 722362, 745664, 838872, 852624, 1083543, 1089216, 1118496, 1136832, 1444724, 1677744, 1705248, 2167086, 2236992, 2889448, 3250629, 3355488, 3410496, 4334172, 5778896, 6501258, 6710976, 8668344, 11557792, 13002516, 17336688, 23115584, 26005032, 34673376, 52010064, 69346752, 104020128, 208040256]

約数ペア:

[(1, 208040256), (2, 104020128), (3, 69346752), (4, 52010064), (6, 34673376), (8, 26005032), (9, 23115584), (12, 17336688), (16, 13002516), (18, 11557792), (24, 8668344), (31, 6710976), (32, 6501258), (36, 5778896), (48, 4334172), (61, 3410496), (62, 3355488), (64, 3250629), (72, 2889448), (93, 2236992), (96, 2167086), (122, 1705248), (124, 1677744), (144, 1444724), (183, 1136832), (186, 1118496), (191, 1089216), (192, 1083543), (244, 852624), (248, 838872), (279, 745664), (288, 722362), (366, 568416), (372, 559248), (382, 544608), (488, 426312), (496, 419436), (549, 378944), (558, 372832), (573, 363072), (576, 361181), (732, 284208), (744, 279624), (764, 272304), (976, 213156), (992, 209718), (1098, 189472), (1116, 186416), (1146, 181536), (1464, 142104), (1488, 139812), (1528, 136152), (1719, 121024), (1891, 110016), (1952, 106578), (1984, 104859), (2196, 94736), (2232, 93208), (2292, 90768), (2928, 71052), (2976, 69906), (3056, 68076), (3438, 60512), (3782, 55008), (3904, 53289), (4392, 47368), (4464, 46604), (4584, 45384), (5673, 36672), (5856, 35526), (5921, 35136), (5952, 34953), (6112, 34038), (6876, 30256), (7564, 27504), (8784, 23684), (8928, 23302), (9168, 22692), (11346, 18336), (11651, 17856), (11712, 17763), (11842, 17568), (12224, 17019), (13752, 15128)]