128415416

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 259906200

約数和(自身を除く): 131490784

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 289, 536, 578, 829, 1139, 1156, 1658, 2278, 2312, 3316, 4556, 6632, 9112, 14093, 19363, 28186, 38726, 55543, 56372, 77452, 111086, 112744, 154904, 222172, 239581, 444344, 479162, 944231, 958324, 1888462, 1916648, 3776924, 7553848, 16051927, 32103854, 64207708, 128415416]

約数ペア:

[(1, 128415416), (2, 64207708), (4, 32103854), (8, 16051927), (17, 7553848), (34, 3776924), (67, 1916648), (68, 1888462), (134, 958324), (136, 944231), (268, 479162), (289, 444344), (536, 239581), (578, 222172), (829, 154904), (1139, 112744), (1156, 111086), (1658, 77452), (2278, 56372), (2312, 55543), (3316, 38726), (4556, 28186), (6632, 19363), (9112, 14093)]