251223336

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12816

約数の個数: 128

約数和(自身を含む): 858950400

約数和(自身を除く): 607727064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 12781, 19656, 25562, 38343, 51124, 76686, 89467, 102248, 115029, 153372, 166153, 178934, 230058, 268401, 306744, 332306, 345087, 357868, 460116, 498459, 536802, 664612, 690174, 715736, 805203, 920232, 996918, 1073604, 1163071, 1329224, 1380348, 1495377, 1610406, 1993836, 2147208, 2326142, 2415609, 2760696, 2990754, 3220812, 3489213, 3987672, 4486131, 4652284, 4831218, 5981508, 6441624, 6978426, 8972262, 9304568, 9662436, 10467639, 11963016, 13956852, 17944524, 19324872, 20935278, 27913704, 31402917, 35889048, 41870556, 62805834, 83741112, 125611668, 251223336]

約数ペア:

[(1, 251223336), (2, 125611668), (3, 83741112), (4, 62805834), (6, 41870556), (7, 35889048), (8, 31402917), (9, 27913704), (12, 20935278), (13, 19324872), (14, 17944524), (18, 13956852), (21, 11963016), (24, 10467639), (26, 9662436), (27, 9304568), (28, 8972262), (36, 6978426), (39, 6441624), (42, 5981508), (52, 4831218), (54, 4652284), (56, 4486131), (63, 3987672), (72, 3489213), (78, 3220812), (84, 2990754), (91, 2760696), (104, 2415609), (108, 2326142), (117, 2147208), (126, 1993836), (156, 1610406), (168, 1495377), (182, 1380348), (189, 1329224), (216, 1163071), (234, 1073604), (252, 996918), (273, 920232), (312, 805203), (351, 715736), (364, 690174), (378, 664612), (468, 536802), (504, 498459), (546, 460116), (702, 357868), (728, 345087), (756, 332306), (819, 306744), (936, 268401), (1092, 230058), (1404, 178934), (1512, 166153), (1638, 153372), (2184, 115029), (2457, 102248), (2808, 89467), (3276, 76686), (4914, 51124), (6552, 38343), (9828, 25562), (12781, 19656)]