279107725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2198

約数の個数: 36

約数和(自身を含む): 387034752

約数和(自身を除く): 107927027

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 2015, 2131, 4225, 5239, 10075, 10655, 26195, 27703, 53275, 66061, 130975, 138515, 330305, 360139, 692575, 858793, 1651525, 1800695, 4293965, 9003475, 11164309, 21469825, 55821545, 279107725]

約数ペア:

[(1, 279107725), (5, 55821545), (13, 21469825), (25, 11164309), (31, 9003475), (65, 4293965), (155, 1800695), (169, 1651525), (325, 858793), (403, 692575), (775, 360139), (845, 330305), (2015, 138515), (2131, 130975), (4225, 66061), (5239, 53275), (10075, 27703), (10655, 26195)]