157779974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 262656000

約数和(自身を除く): 104876026

約数列:

[1, 2, 11, 22, 127, 149, 254, 298, 379, 758, 1397, 1639, 2794, 3278, 4169, 8338, 18923, 37846, 48133, 56471, 96266, 112942, 208153, 416306, 529463, 621181, 1058926, 1242362, 7171817, 14343634, 78889987, 157779974]

約数ペア:

[(1, 157779974), (2, 78889987), (11, 14343634), (22, 7171817), (127, 1242362), (149, 1058926), (254, 621181), (298, 529463), (379, 416306), (758, 208153), (1397, 112942), (1639, 96266), (2794, 56471), (3278, 48133), (4169, 37846), (8338, 18923)]