78891404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{3331}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 143302656

約数和(自身を除く): 64411252

約数列:

[1, 2, 4, 31, 62, 124, 191, 382, 764, 3331, 5921, 6662, 11842, 13324, 23684, 103261, 206522, 413044, 636221, 1272442, 2544884, 19722851, 39445702, 78891404]

約数ペア:

[(1, 78891404), (2, 39445702), (4, 19722851), (31, 2544884), (62, 1272442), (124, 636221), (191, 413044), (382, 206522), (764, 103261), (3331, 23684), (5921, 13324), (6662, 11842)]