201421052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1571}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 426074880

約数和(自身を除く): 224653828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 241, 266, 482, 532, 964, 1571, 1687, 3142, 3374, 4579, 6284, 6748, 9158, 10997, 18316, 21994, 29849, 32053, 43988, 59698, 64106, 119396, 128212, 208943, 378611, 417886, 757222, 835772, 1514444, 2650277, 5300554, 7193609, 10601108, 14387218, 28774436, 50355263, 100710526, 201421052]

約数ペア:

[(1, 201421052), (2, 100710526), (4, 50355263), (7, 28774436), (14, 14387218), (19, 10601108), (28, 7193609), (38, 5300554), (76, 2650277), (133, 1514444), (241, 835772), (266, 757222), (482, 417886), (532, 378611), (964, 208943), (1571, 128212), (1687, 119396), (3142, 64106), (3374, 59698), (4579, 43988), (6284, 32053), (6748, 29849), (9158, 21994), (10997, 18316)]