27845890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 23579390

約数列:

[1, 2, 5, 10, 61, 122, 191, 239, 305, 382, 478, 610, 955, 1195, 1910, 2390, 11651, 14579, 23302, 29158, 45649, 58255, 72895, 91298, 116510, 145790, 228245, 456490, 2784589, 5569178, 13922945, 27845890]

約数ペア:

[(1, 27845890), (2, 13922945), (5, 5569178), (10, 2784589), (61, 456490), (122, 228245), (191, 145790), (239, 116510), (305, 91298), (382, 72895), (478, 58255), (610, 45649), (955, 29158), (1195, 23302), (1910, 14579), (2390, 11651)]