31009212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 85123584

約数和(自身を除く): 54114372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 383, 468, 519, 692, 766, 1038, 1149, 1532, 1557, 2076, 2249, 2298, 3114, 3447, 4498, 4596, 4979, 6228, 6747, 6894, 8996, 9958, 13494, 13788, 14937, 19916, 20241, 26988, 29874, 40482, 44811, 59748, 66259, 80964, 89622, 132518, 179244, 198777, 265036, 397554, 596331, 795108, 861367, 1192662, 1722734, 2385324, 2584101, 3445468, 5168202, 7752303, 10336404, 15504606, 31009212]

約数ペア:

[(1, 31009212), (2, 15504606), (3, 10336404), (4, 7752303), (6, 5168202), (9, 3445468), (12, 2584101), (13, 2385324), (18, 1722734), (26, 1192662), (36, 861367), (39, 795108), (52, 596331), (78, 397554), (117, 265036), (156, 198777), (173, 179244), (234, 132518), (346, 89622), (383, 80964), (468, 66259), (519, 59748), (692, 44811), (766, 40482), (1038, 29874), (1149, 26988), (1532, 20241), (1557, 19916), (2076, 14937), (2249, 13788), (2298, 13494), (3114, 9958), (3447, 8996), (4498, 6894), (4596, 6747), (4979, 6228)]