87291970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1459}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 163146240

約数和(自身を除く): 75854270

約数列:

[1, 2, 5, 10, 31, 62, 155, 193, 310, 386, 965, 1459, 1930, 2918, 5983, 7295, 11966, 14590, 29915, 45229, 59830, 90458, 226145, 281587, 452290, 563174, 1407935, 2815870, 8729197, 17458394, 43645985, 87291970]

約数ペア:

[(1, 87291970), (2, 43645985), (5, 17458394), (10, 8729197), (31, 2815870), (62, 1407935), (155, 563174), (193, 452290), (310, 281587), (386, 226145), (965, 90458), (1459, 59830), (1930, 45229), (2918, 29915), (5983, 14590), (7295, 11966)]