87899770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3163}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 181335168

約数和(自身を除く): 93435398

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3163, 3970, 5558, 6326, 13895, 15815, 22141, 27790, 31630, 44282, 110705, 221410, 1255711, 2511422, 6278555, 8789977, 12557110, 17579954, 43949885, 87899770]

約数ペア:

[(1, 87899770), (2, 43949885), (5, 17579954), (7, 12557110), (10, 8789977), (14, 6278555), (35, 2511422), (70, 1255711), (397, 221410), (794, 110705), (1985, 44282), (2779, 31630), (3163, 27790), (3970, 22141), (5558, 15815), (6326, 13895)]