51217796

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 105326592

約数和(自身を除く): 54108796

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 157, 191, 244, 314, 382, 427, 628, 764, 854, 1099, 1337, 1708, 2198, 2674, 4396, 5348, 9577, 11651, 19154, 23302, 29987, 38308, 46604, 59974, 67039, 81557, 119948, 134078, 163114, 209909, 268156, 326228, 419818, 839636, 1829207, 3658414, 7316828, 12804449, 25608898, 51217796]

約数ペア:

[(1, 51217796), (2, 25608898), (4, 12804449), (7, 7316828), (14, 3658414), (28, 1829207), (61, 839636), (122, 419818), (157, 326228), (191, 268156), (244, 209909), (314, 163114), (382, 134078), (427, 119948), (628, 81557), (764, 67039), (854, 59974), (1099, 46604), (1337, 38308), (1708, 29987), (2198, 23302), (2674, 19154), (4396, 11651), (5348, 9577)]