31389176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43117}}^1$

素因数の和:43143

約数の個数: 32

約数和(自身を含む): 72438240

約数和(自身を除く): 41049064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 43117, 86234, 172468, 301819, 344936, 560521, 603638, 1121042, 1207276, 2242084, 2414552, 3923647, 4484168, 7847294, 15694588, 31389176]

約数ペア:

[(1, 31389176), (2, 15694588), (4, 7847294), (7, 4484168), (8, 3923647), (13, 2414552), (14, 2242084), (26, 1207276), (28, 1121042), (52, 603638), (56, 560521), (91, 344936), (104, 301819), (182, 172468), (364, 86234), (728, 43117)]