81362316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1831}}^1$

素因数の和:1891

約数の個数: 72

約数和(自身を含む): 226933504

約数和(自身を除く): 145571188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 529, 644, 966, 1058, 1587, 1831, 1932, 2116, 3174, 3662, 3703, 5493, 6348, 7324, 7406, 10986, 11109, 12817, 14812, 21972, 22218, 25634, 38451, 42113, 44436, 51268, 76902, 84226, 126339, 153804, 168452, 252678, 294791, 505356, 589582, 884373, 968599, 1179164, 1768746, 1937198, 2905797, 3537492, 3874396, 5811594, 6780193, 11623188, 13560386, 20340579, 27120772, 40681158, 81362316]

約数ペア:

[(1, 81362316), (2, 40681158), (3, 27120772), (4, 20340579), (6, 13560386), (7, 11623188), (12, 6780193), (14, 5811594), (21, 3874396), (23, 3537492), (28, 2905797), (42, 1937198), (46, 1768746), (69, 1179164), (84, 968599), (92, 884373), (138, 589582), (161, 505356), (276, 294791), (322, 252678), (483, 168452), (529, 153804), (644, 126339), (966, 84226), (1058, 76902), (1587, 51268), (1831, 44436), (1932, 42113), (2116, 38451), (3174, 25634), (3662, 22218), (3703, 21972), (5493, 14812), (6348, 12817), (7324, 11109), (7406, 10986)]