1287493915552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1636667}}^1$

素因数の和:1636782

約数の個数: 96

約数和(自身を含む): 2863985693184

約数和(自身を除く): 1576491777632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 416, 488, 496, 793, 806, 976, 992, 1586, 1612, 1891, 1952, 3172, 3224, 3782, 6344, 6448, 7564, 12688, 12896, 15128, 24583, 25376, 30256, 49166, 60512, 98332, 196664, 393328, 786656, 1636667, 3273334, 6546668, 13093336, 21276671, 26186672, 42553342, 50736677, 52373344, 85106684, 99836687, 101473354, 170213368, 199673374, 202946708, 340426736, 399346748, 405893416, 659576801, 680853472, 798693496, 811786832, 1297876931, 1319153602, 1597386992, 1623573664, 2595753862, 2638307204, 3094937297, 3194773984, 5191507724, 5276614408, 6189874594, 10383015448, 10553228816, 12379749188, 20766030896, 21106457632, 24759498376, 40234184861, 41532061792, 49518996752, 80468369722, 99037993504, 160936739444, 321873478888, 643746957776, 1287493915552]

約数ペア:

[(1, 1287493915552), (2, 643746957776), (4, 321873478888), (8, 160936739444), (13, 99037993504), (16, 80468369722), (26, 49518996752), (31, 41532061792), (32, 40234184861), (52, 24759498376), (61, 21106457632), (62, 20766030896), (104, 12379749188), (122, 10553228816), (124, 10383015448), (208, 6189874594), (244, 5276614408), (248, 5191507724), (403, 3194773984), (416, 3094937297), (488, 2638307204), (496, 2595753862), (793, 1623573664), (806, 1597386992), (976, 1319153602), (992, 1297876931), (1586, 811786832), (1612, 798693496), (1891, 680853472), (1952, 659576801), (3172, 405893416), (3224, 399346748), (3782, 340426736), (6344, 202946708), (6448, 199673374), (7564, 170213368), (12688, 101473354), (12896, 99836687), (15128, 85106684), (24583, 52373344), (25376, 50736677), (30256, 42553342), (49166, 26186672), (60512, 21276671), (98332, 13093336), (196664, 6546668), (393328, 3273334), (786656, 1636667)]