31637528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5067

約数の個数: 32

約数和(自身を含む): 64943760

約数和(自身を除く): 33306232

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 4987, 6344, 9974, 19948, 39896, 64831, 129662, 259324, 304207, 518648, 608414, 1216828, 2433656, 3954691, 7909382, 15818764, 31637528]

約数ペア:

[(1, 31637528), (2, 15818764), (4, 7909382), (8, 3954691), (13, 2433656), (26, 1216828), (52, 608414), (61, 518648), (104, 304207), (122, 259324), (244, 129662), (488, 64831), (793, 39896), (1586, 19948), (3172, 9974), (4987, 6344)]