1655212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3155600

約数和(自身を除く): 1500388

約数列:

[1, 2, 4, 13, 26, 52, 139, 229, 278, 458, 556, 916, 1807, 2977, 3614, 5954, 7228, 11908, 31831, 63662, 127324, 413803, 827606, 1655212]

約数ペア:

[(1, 1655212), (2, 827606), (4, 413803), (13, 127324), (26, 63662), (52, 31831), (139, 11908), (229, 7228), (278, 5954), (458, 3614), (556, 2977), (916, 1807)]