31485272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 73953600

約数和(自身を除く): 42468328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 709, 728, 793, 854, 1418, 1586, 1708, 2836, 3172, 3416, 4963, 5551, 5672, 6344, 9217, 9926, 11102, 18434, 19852, 22204, 36868, 39704, 43249, 44408, 64519, 73736, 86498, 129038, 172996, 258076, 302743, 345992, 516152, 562237, 605486, 1124474, 1210972, 2248948, 2421944, 3935659, 4497896, 7871318, 15742636, 31485272]

約数ペア:

[(1, 31485272), (2, 15742636), (4, 7871318), (7, 4497896), (8, 3935659), (13, 2421944), (14, 2248948), (26, 1210972), (28, 1124474), (52, 605486), (56, 562237), (61, 516152), (91, 345992), (104, 302743), (122, 258076), (182, 172996), (244, 129038), (364, 86498), (427, 73736), (488, 64519), (709, 44408), (728, 43249), (793, 39704), (854, 36868), (1418, 22204), (1586, 19852), (1708, 18434), (2836, 11102), (3172, 9926), (3416, 9217), (4963, 6344), (5551, 5672)]