66421436

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 119065296

約数和(自身を除く): 52643860

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 1987, 3974, 7948, 8357, 16714, 33428, 121207, 242414, 272219, 484828, 544438, 1088876, 16605359, 33210718, 66421436]

約数ペア:

[(1, 66421436), (2, 33210718), (4, 16605359), (61, 1088876), (122, 544438), (137, 484828), (244, 272219), (274, 242414), (548, 121207), (1987, 33428), (3974, 16714), (7948, 8357)]