389891216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 959938560

約数和(自身を除く): 570047344

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 31, 44, 46, 52, 62, 88, 92, 104, 124, 143, 176, 184, 208, 239, 248, 253, 286, 299, 341, 368, 403, 478, 496, 506, 572, 598, 682, 713, 806, 956, 1012, 1144, 1196, 1364, 1426, 1612, 1912, 2024, 2288, 2392, 2629, 2728, 2852, 3107, 3224, 3289, 3824, 4048, 4433, 4784, 5258, 5456, 5497, 5704, 6214, 6448, 6578, 7409, 7843, 8866, 9269, 10516, 10994, 11408, 12428, 13156, 14818, 15686, 17732, 18538, 21032, 21988, 24856, 26312, 29636, 31372, 34177, 35464, 37076, 42064, 43976, 49712, 52624, 59272, 60467, 62744, 68354, 70928, 71461, 74152, 81499, 87952, 96317, 101959, 118544, 120934, 125488, 136708, 142922, 148304, 162998, 170407, 192634, 203918, 241868, 273416, 285844, 325996, 340814, 385268, 407836, 483736, 546832, 571688, 651992, 681628, 770536, 786071, 815672, 967472, 1059487, 1143376, 1303984, 1363256, 1541072, 1572142, 1631344, 1874477, 2118974, 2215291, 2726512, 3144284, 3748954, 4237948, 4430582, 6288568, 7497908, 8475896, 8861164, 12577136, 14995816, 16951792, 17722328, 24368201, 29991632, 35444656, 48736402, 97472804, 194945608, 389891216]

約数ペア:

[(1, 389891216), (2, 194945608), (4, 97472804), (8, 48736402), (11, 35444656), (13, 29991632), (16, 24368201), (22, 17722328), (23, 16951792), (26, 14995816), (31, 12577136), (44, 8861164), (46, 8475896), (52, 7497908), (62, 6288568), (88, 4430582), (92, 4237948), (104, 3748954), (124, 3144284), (143, 2726512), (176, 2215291), (184, 2118974), (208, 1874477), (239, 1631344), (248, 1572142), (253, 1541072), (286, 1363256), (299, 1303984), (341, 1143376), (368, 1059487), (403, 967472), (478, 815672), (496, 786071), (506, 770536), (572, 681628), (598, 651992), (682, 571688), (713, 546832), (806, 483736), (956, 407836), (1012, 385268), (1144, 340814), (1196, 325996), (1364, 285844), (1426, 273416), (1612, 241868), (1912, 203918), (2024, 192634), (2288, 170407), (2392, 162998), (2629, 148304), (2728, 142922), (2852, 136708), (3107, 125488), (3224, 120934), (3289, 118544), (3824, 101959), (4048, 96317), (4433, 87952), (4784, 81499), (5258, 74152), (5456, 71461), (5497, 70928), (5704, 68354), (6214, 62744), (6448, 60467), (6578, 59272), (7409, 52624), (7843, 49712), (8866, 43976), (9269, 42064), (10516, 37076), (10994, 35464), (11408, 34177), (12428, 31372), (13156, 29636), (14818, 26312), (15686, 24856), (17732, 21988), (18538, 21032)]