90186908

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 186514944

約数和(自身を除く): 96328036

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 263, 331, 518, 526, 662, 1036, 1052, 1324, 1841, 2317, 3682, 4634, 7364, 9268, 9731, 12247, 19462, 24494, 38924, 48988, 68117, 85729, 87053, 136234, 171458, 174106, 272468, 342916, 348212, 609371, 1218742, 2437484, 3220961, 6441922, 12883844, 22546727, 45093454, 90186908]

約数ペア:

[(1, 90186908), (2, 45093454), (4, 22546727), (7, 12883844), (14, 6441922), (28, 3220961), (37, 2437484), (74, 1218742), (148, 609371), (259, 348212), (263, 342916), (331, 272468), (518, 174106), (526, 171458), (662, 136234), (1036, 87053), (1052, 85729), (1324, 68117), (1841, 48988), (2317, 38924), (3682, 24494), (4634, 19462), (7364, 12247), (9268, 9731)]