87751390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 173352960

約数和(自身を除く): 85601570

約数列:

[1, 2, 5, 10, 29, 31, 43, 58, 62, 86, 145, 155, 215, 227, 290, 310, 430, 454, 899, 1135, 1247, 1333, 1798, 2270, 2494, 2666, 4495, 6235, 6583, 6665, 7037, 8990, 9761, 12470, 13166, 13330, 14074, 19522, 32915, 35185, 38657, 48805, 65830, 70370, 77314, 97610, 193285, 204073, 283069, 302591, 386570, 408146, 566138, 605182, 1020365, 1415345, 1512955, 2040730, 2830690, 3025910, 8775139, 17550278, 43875695, 87751390]

約数ペア:

[(1, 87751390), (2, 43875695), (5, 17550278), (10, 8775139), (29, 3025910), (31, 2830690), (43, 2040730), (58, 1512955), (62, 1415345), (86, 1020365), (145, 605182), (155, 566138), (215, 408146), (227, 386570), (290, 302591), (310, 283069), (430, 204073), (454, 193285), (899, 97610), (1135, 77314), (1247, 70370), (1333, 65830), (1798, 48805), (2270, 38657), (2494, 35185), (2666, 32915), (4495, 19522), (6235, 14074), (6583, 13330), (6665, 13166), (7037, 12470), (8990, 9761)]