278842676

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 566555136

約数和(自身を除く): 287712460

約数列:

[1, 2, 4, 7, 14, 28, 137, 157, 274, 314, 463, 548, 628, 926, 959, 1099, 1852, 1918, 2198, 3241, 3836, 4396, 6482, 12964, 21509, 43018, 63431, 72691, 86036, 126862, 145382, 150563, 253724, 290764, 301126, 444017, 508837, 602252, 888034, 1017674, 1776068, 2035348, 9958667, 19917334, 39834668, 69710669, 139421338, 278842676]

約数ペア:

[(1, 278842676), (2, 139421338), (4, 69710669), (7, 39834668), (14, 19917334), (28, 9958667), (137, 2035348), (157, 1776068), (274, 1017674), (314, 888034), (463, 602252), (548, 508837), (628, 444017), (926, 301126), (959, 290764), (1099, 253724), (1852, 150563), (1918, 145382), (2198, 126862), (3241, 86036), (3836, 72691), (4396, 63431), (6482, 43018), (12964, 21509)]