28657764

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{25679}}^1$

素因数の和:25720

約数の個数: 36

約数和(自身を含む): 74780160

約数和(自身を除く): 46122396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 25679, 51358, 77037, 102716, 154074, 231111, 308148, 462222, 796049, 924444, 1592098, 2388147, 3184196, 4776294, 7164441, 9552588, 14328882, 28657764]

約数ペア:

[(1, 28657764), (2, 14328882), (3, 9552588), (4, 7164441), (6, 4776294), (9, 3184196), (12, 2388147), (18, 1592098), (31, 924444), (36, 796049), (62, 462222), (93, 308148), (124, 231111), (186, 154074), (279, 102716), (372, 77037), (558, 51358), (1116, 25679)]