1489005775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1901}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 2080179360

約数和(自身を除く): 591173585

約数列:

[1, 5, 17, 19, 25, 85, 95, 97, 323, 425, 475, 485, 1615, 1649, 1843, 1901, 2425, 8075, 8245, 9215, 9505, 31331, 32317, 36119, 41225, 46075, 47525, 156655, 161585, 180595, 184397, 614023, 783275, 807925, 902975, 921985, 3070115, 3134749, 3503543, 4609925, 15350575, 15673745, 17517715, 59560231, 78368725, 87588575, 297801155, 1489005775]

約数ペア:

[(1, 1489005775), (5, 297801155), (17, 87588575), (19, 78368725), (25, 59560231), (85, 17517715), (95, 15673745), (97, 15350575), (323, 4609925), (425, 3503543), (475, 3134749), (485, 3070115), (1615, 921985), (1649, 902975), (1843, 807925), (1901, 783275), (2425, 614023), (8075, 184397), (8245, 180595), (9215, 161585), (9505, 156655), (31331, 47525), (32317, 46075), (36119, 41225)]