131780068

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 271853568

約数和(自身を除く): 140073500

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 191, 287, 382, 574, 601, 764, 1148, 1202, 1337, 2404, 2674, 4207, 5348, 7831, 8414, 15662, 16828, 24641, 31324, 49282, 54817, 98564, 109634, 114791, 172487, 219268, 229582, 344974, 459164, 689948, 803537, 1607074, 3214148, 4706431, 9412862, 18825724, 32945017, 65890034, 131780068]

約数ペア:

[(1, 131780068), (2, 65890034), (4, 32945017), (7, 18825724), (14, 9412862), (28, 4706431), (41, 3214148), (82, 1607074), (164, 803537), (191, 689948), (287, 459164), (382, 344974), (574, 229582), (601, 219268), (764, 172487), (1148, 114791), (1202, 109634), (1337, 98564), (2404, 54817), (2674, 49282), (4207, 31324), (5348, 24641), (7831, 16828), (8414, 15662)]