681994885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 1027676160

約数和(自身を除く): 345681275

約数列:

[1, 5, 11, 13, 29, 31, 55, 65, 143, 145, 155, 319, 341, 377, 403, 715, 899, 1061, 1595, 1705, 1885, 2015, 4147, 4433, 4495, 5305, 9889, 11671, 11687, 13793, 20735, 22165, 30769, 32891, 49445, 58355, 58435, 68965, 128557, 151723, 153845, 164455, 338459, 361801, 399997, 427583, 642785, 758615, 953839, 1692295, 1809005, 1999985, 2137915, 4399967, 4703413, 4769195, 10492229, 12399907, 21999835, 23517065, 52461145, 61999535, 136398977, 681994885]

約数ペア:

[(1, 681994885), (5, 136398977), (11, 61999535), (13, 52461145), (29, 23517065), (31, 21999835), (55, 12399907), (65, 10492229), (143, 4769195), (145, 4703413), (155, 4399967), (319, 2137915), (341, 1999985), (377, 1809005), (403, 1692295), (715, 953839), (899, 758615), (1061, 642785), (1595, 427583), (1705, 399997), (1885, 361801), (2015, 338459), (4147, 164455), (4433, 153845), (4495, 151723), (5305, 128557), (9889, 68965), (11671, 58435), (11687, 58355), (13793, 49445), (20735, 32891), (22165, 30769)]