521005342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2887}}^1$

素因数の和:3544

約数の個数: 32

約数和(自身を含む): 919908864

約数和(自身を除く): 398903522

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 631, 1262, 2887, 5774, 6941, 8203, 13882, 16406, 31757, 37531, 63514, 75062, 90233, 180466, 412841, 825682, 1821697, 3643394, 20038667, 23682061, 40077334, 47364122, 260502671, 521005342]

約数ペア:

[(1, 521005342), (2, 260502671), (11, 47364122), (13, 40077334), (22, 23682061), (26, 20038667), (143, 3643394), (286, 1821697), (631, 825682), (1262, 412841), (2887, 180466), (5774, 90233), (6941, 75062), (8203, 63514), (13882, 37531), (16406, 31757)]