2021657608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 4073846400

約数和(自身を除く): 2052188792

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 337, 488, 647, 674, 1159, 1294, 1348, 2318, 2588, 2696, 4636, 5176, 6403, 9272, 12293, 12806, 20557, 24586, 25612, 39467, 41114, 49172, 51224, 78934, 82228, 98344, 157868, 164456, 218039, 315736, 390583, 436078, 749873, 781166, 872156, 1499746, 1562332, 1744312, 2999492, 3124664, 4142741, 5998984, 8285482, 13300379, 16570964, 26600758, 33141928, 53201516, 106403032, 252707201, 505414402, 1010828804, 2021657608]

約数ペア:

[(1, 2021657608), (2, 1010828804), (4, 505414402), (8, 252707201), (19, 106403032), (38, 53201516), (61, 33141928), (76, 26600758), (122, 16570964), (152, 13300379), (244, 8285482), (337, 5998984), (488, 4142741), (647, 3124664), (674, 2999492), (1159, 1744312), (1294, 1562332), (1348, 1499746), (2318, 872156), (2588, 781166), (2696, 749873), (4636, 436078), (5176, 390583), (6403, 315736), (9272, 218039), (12293, 164456), (12806, 157868), (20557, 98344), (24586, 82228), (25612, 78934), (39467, 51224), (41114, 49172)]