720303272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{187189}}^1$

素因数の和:187245

約数の個数: 32

約数和(自身を含む): 1493776200

約数和(自身を除く): 773472928

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 187189, 374378, 748756, 1497512, 2433457, 4866914, 6925993, 9733828, 13851986, 19467656, 27703972, 55407944, 90037909, 180075818, 360151636, 720303272]

約数ペア:

[(1, 720303272), (2, 360151636), (4, 180075818), (8, 90037909), (13, 55407944), (26, 27703972), (37, 19467656), (52, 13851986), (74, 9733828), (104, 6925993), (148, 4866914), (296, 2433457), (481, 1497512), (962, 748756), (1924, 374378), (3848, 187189)]