157423688

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 303029760

約数和(自身を除く): 145606072

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 421, 842, 1087, 1684, 2174, 3368, 4348, 8696, 18103, 36206, 46741, 72412, 93482, 144824, 186964, 373928, 457627, 915254, 1830508, 3661016, 19677961, 39355922, 78711844, 157423688]

約数ペア:

[(1, 157423688), (2, 78711844), (4, 39355922), (8, 19677961), (43, 3661016), (86, 1830508), (172, 915254), (344, 457627), (421, 373928), (842, 186964), (1087, 144824), (1684, 93482), (2174, 72412), (3368, 46741), (4348, 36206), (8696, 18103)]