156789008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{811}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 312334176

約数和(自身を除く): 155545168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 281, 344, 562, 688, 811, 1124, 1622, 2248, 3244, 4496, 6488, 12083, 12976, 24166, 34873, 48332, 69746, 96664, 139492, 193328, 227891, 278984, 455782, 557968, 911564, 1823128, 3646256, 9799313, 19598626, 39197252, 78394504, 156789008]

約数ペア:

[(1, 156789008), (2, 78394504), (4, 39197252), (8, 19598626), (16, 9799313), (43, 3646256), (86, 1823128), (172, 911564), (281, 557968), (344, 455782), (562, 278984), (688, 227891), (811, 193328), (1124, 139492), (1622, 96664), (2248, 69746), (3244, 48332), (4496, 34873), (6488, 24166), (12083, 12976)]