31291214968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{27611}}^1$

素因数の和:28288

約数の個数: 64

約数和(自身を含む): 67007697120

約数和(自身を除く): 35716482152

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 641, 884, 1282, 1768, 2564, 5128, 8333, 10897, 16666, 21794, 27611, 33332, 43588, 55222, 66664, 87176, 110444, 141661, 220888, 283322, 358943, 469387, 566644, 717886, 938774, 1133288, 1435772, 1877548, 2871544, 3755096, 6102031, 12204062, 17698651, 24408124, 35397302, 48816248, 70794604, 141589208, 230082463, 300877067, 460164926, 601754134, 920329852, 1203508268, 1840659704, 2407016536, 3911401871, 7822803742, 15645607484, 31291214968]

約数ペア:

[(1, 31291214968), (2, 15645607484), (4, 7822803742), (8, 3911401871), (13, 2407016536), (17, 1840659704), (26, 1203508268), (34, 920329852), (52, 601754134), (68, 460164926), (104, 300877067), (136, 230082463), (221, 141589208), (442, 70794604), (641, 48816248), (884, 35397302), (1282, 24408124), (1768, 17698651), (2564, 12204062), (5128, 6102031), (8333, 3755096), (10897, 2871544), (16666, 1877548), (21794, 1435772), (27611, 1133288), (33332, 938774), (43588, 717886), (55222, 566644), (66664, 469387), (87176, 358943), (110444, 283322), (141661, 220888)]