664377616

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191353}}^1$

素因数の和:191399

約数の個数: 40

約数和(自身を含む): 1518585344

約数和(自身を除く): 854207728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 191353, 382706, 765412, 1339471, 1530824, 2678942, 3061648, 5357884, 5931943, 10715768, 11863886, 21431536, 23727772, 41523601, 47455544, 83047202, 94911088, 166094404, 332188808, 664377616]

約数ペア:

[(1, 664377616), (2, 332188808), (4, 166094404), (7, 94911088), (8, 83047202), (14, 47455544), (16, 41523601), (28, 23727772), (31, 21431536), (56, 11863886), (62, 10715768), (112, 5931943), (124, 5357884), (217, 3061648), (248, 2678942), (434, 1530824), (496, 1339471), (868, 765412), (1736, 382706), (3472, 191353)]