31257156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 87333120

約数和(自身を除く): 56075964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 89, 111, 113, 148, 178, 222, 226, 259, 267, 339, 356, 444, 452, 518, 534, 623, 678, 777, 791, 1036, 1068, 1246, 1356, 1554, 1582, 1869, 2373, 2492, 3108, 3164, 3293, 3738, 4181, 4746, 6586, 7476, 8362, 9492, 9879, 10057, 12543, 13172, 16724, 19758, 20114, 23051, 25086, 29267, 30171, 39516, 40228, 46102, 50172, 58534, 60342, 69153, 70399, 87801, 92204, 117068, 120684, 138306, 140798, 175602, 211197, 276612, 281596, 351204, 372109, 422394, 744218, 844788, 1116327, 1488436, 2232654, 2604763, 4465308, 5209526, 7814289, 10419052, 15628578, 31257156]

約数ペア:

[(1, 31257156), (2, 15628578), (3, 10419052), (4, 7814289), (6, 5209526), (7, 4465308), (12, 2604763), (14, 2232654), (21, 1488436), (28, 1116327), (37, 844788), (42, 744218), (74, 422394), (84, 372109), (89, 351204), (111, 281596), (113, 276612), (148, 211197), (178, 175602), (222, 140798), (226, 138306), (259, 120684), (267, 117068), (339, 92204), (356, 87801), (444, 70399), (452, 69153), (518, 60342), (534, 58534), (623, 50172), (678, 46102), (777, 40228), (791, 39516), (1036, 30171), (1068, 29267), (1246, 25086), (1356, 23051), (1554, 20114), (1582, 19758), (1869, 16724), (2373, 13172), (2492, 12543), (3108, 10057), (3164, 9879), (3293, 9492), (3738, 8362), (4181, 7476), (4746, 6586)]