28656838

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 50448384

約数和(自身を除く): 21791546

約数列:

[1, 2, 7, 14, 67, 134, 137, 223, 274, 446, 469, 938, 959, 1561, 1918, 3122, 9179, 14941, 18358, 29882, 30551, 61102, 64253, 104587, 128506, 209174, 213857, 427714, 2046917, 4093834, 14328419, 28656838]

約数ペア:

[(1, 28656838), (2, 14328419), (7, 4093834), (14, 2046917), (67, 427714), (134, 213857), (137, 209174), (223, 128506), (274, 104587), (446, 64253), (469, 61102), (938, 30551), (959, 29882), (1561, 18358), (1918, 14941), (3122, 9179)]