664296830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{13649}}^1$

素因数の和:13844

約数の個数: 32

約数和(自身を含む): 1242259200

約数和(自身を除く): 577962370

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 785, 1570, 4867, 9734, 13649, 24335, 27298, 48670, 68245, 136490, 423119, 846238, 2115595, 2142893, 4231190, 4285786, 10714465, 21428930, 66429683, 132859366, 332148415, 664296830]

約数ペア:

[(1, 664296830), (2, 332148415), (5, 132859366), (10, 66429683), (31, 21428930), (62, 10714465), (155, 4285786), (157, 4231190), (310, 2142893), (314, 2115595), (785, 846238), (1570, 423119), (4867, 136490), (9734, 68245), (13649, 48670), (24335, 27298)]