389639236

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1777}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 802916352

約数和(自身を除く): 413277116

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 191, 287, 382, 574, 764, 1148, 1337, 1777, 2674, 3554, 5348, 7108, 7831, 12439, 15662, 24878, 31324, 49756, 54817, 72857, 109634, 145714, 219268, 291428, 339407, 509999, 678814, 1019998, 1357628, 2039996, 2375849, 4751698, 9503396, 13915687, 27831374, 55662748, 97409809, 194819618, 389639236]

約数ペア:

[(1, 389639236), (2, 194819618), (4, 97409809), (7, 55662748), (14, 27831374), (28, 13915687), (41, 9503396), (82, 4751698), (164, 2375849), (191, 2039996), (287, 1357628), (382, 1019998), (574, 678814), (764, 509999), (1148, 339407), (1337, 291428), (1777, 219268), (2674, 145714), (3554, 109634), (5348, 72857), (7108, 54817), (7831, 49756), (12439, 31324), (15662, 24878)]