71921274325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{17903}}^1$

素因数の和:18094

約数の個数: 48

約数和(自身を含む): 94656013056

約数和(自身を除く): 22734738731

約数列:

[1, 5, 25, 37, 43, 101, 185, 215, 505, 925, 1075, 1591, 2525, 3737, 4343, 7955, 17903, 18685, 21715, 39775, 89515, 93425, 108575, 160691, 447575, 662411, 769829, 803455, 1808203, 3312055, 3849145, 4017275, 9041015, 16560275, 19245725, 28483673, 45205075, 66903511, 77752729, 142418365, 334517555, 388763645, 712091825, 1672587775, 1943818225, 2876850973, 14384254865, 71921274325]

約数ペア:

[(1, 71921274325), (5, 14384254865), (25, 2876850973), (37, 1943818225), (43, 1672587775), (101, 712091825), (185, 388763645), (215, 334517555), (505, 142418365), (925, 77752729), (1075, 66903511), (1591, 45205075), (2525, 28483673), (3737, 19245725), (4343, 16560275), (7955, 9041015), (17903, 4017275), (18685, 3849145), (21715, 3312055), (39775, 1808203), (89515, 803455), (93425, 769829), (108575, 662411), (160691, 447575)]