12887784

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 43882020

約数和(自身を除く): 30994236

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 281, 294, 312, 364, 392, 441, 468, 504, 546, 562, 588, 637, 728, 819, 843, 882, 936, 1092, 1124, 1176, 1274, 1638, 1686, 1764, 1911, 1967, 2184, 2248, 2529, 2548, 3276, 3372, 3528, 3653, 3822, 3934, 5058, 5096, 5733, 5901, 6552, 6744, 7306, 7644, 7868, 10116, 10959, 11466, 11802, 13769, 14612, 15288, 15736, 17703, 20232, 21918, 22932, 23604, 25571, 27538, 29224, 32877, 35406, 41307, 43836, 45864, 47208, 51142, 55076, 65754, 70812, 76713, 82614, 87672, 102284, 110152, 123921, 131508, 141624, 153426, 165228, 178997, 204568, 230139, 247842, 263016, 306852, 330456, 357994, 460278, 495684, 536991, 613704, 715988, 920556, 991368, 1073982, 1431976, 1610973, 1841112, 2147964, 3221946, 4295928, 6443892, 12887784]

約数ペア:

[(1, 12887784), (2, 6443892), (3, 4295928), (4, 3221946), (6, 2147964), (7, 1841112), (8, 1610973), (9, 1431976), (12, 1073982), (13, 991368), (14, 920556), (18, 715988), (21, 613704), (24, 536991), (26, 495684), (28, 460278), (36, 357994), (39, 330456), (42, 306852), (49, 263016), (52, 247842), (56, 230139), (63, 204568), (72, 178997), (78, 165228), (84, 153426), (91, 141624), (98, 131508), (104, 123921), (117, 110152), (126, 102284), (147, 87672), (156, 82614), (168, 76713), (182, 70812), (196, 65754), (234, 55076), (252, 51142), (273, 47208), (281, 45864), (294, 43836), (312, 41307), (364, 35406), (392, 32877), (441, 29224), (468, 27538), (504, 25571), (546, 23604), (562, 22932), (588, 21918), (637, 20232), (728, 17703), (819, 15736), (843, 15288), (882, 14612), (936, 13769), (1092, 11802), (1124, 11466), (1176, 10959), (1274, 10116), (1638, 7868), (1686, 7644), (1764, 7306), (1911, 6744), (1967, 6552), (2184, 5901), (2248, 5733), (2529, 5096), (2548, 5058), (3276, 3934), (3372, 3822), (3528, 3653)]