77954870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5653}}^1$

素因数の和:5864

約数の個数: 32

約数和(自身を含む): 161206848

約数和(自身を除く): 83251978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 5653, 6895, 11306, 13790, 28265, 39571, 56530, 79142, 197855, 395710, 1113641, 2227282, 5568205, 7795487, 11136410, 15590974, 38977435, 77954870]

約数ペア:

[(1, 77954870), (2, 38977435), (5, 15590974), (7, 11136410), (10, 7795487), (14, 5568205), (35, 2227282), (70, 1113641), (197, 395710), (394, 197855), (985, 79142), (1379, 56530), (1970, 39571), (2758, 28265), (5653, 13790), (6895, 11306)]