28197848

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 64204800

約数和(自身を除く): 36006952

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 434, 439, 518, 868, 878, 1036, 1147, 1736, 1756, 2072, 2294, 3073, 3512, 4588, 6146, 8029, 9176, 12292, 13609, 16058, 16243, 24584, 27218, 32116, 32486, 54436, 64232, 64972, 95263, 108872, 113701, 129944, 190526, 227402, 381052, 454804, 503533, 762104, 909608, 1007066, 2014132, 3524731, 4028264, 7049462, 14098924, 28197848]

約数ペア:

[(1, 28197848), (2, 14098924), (4, 7049462), (7, 4028264), (8, 3524731), (14, 2014132), (28, 1007066), (31, 909608), (37, 762104), (56, 503533), (62, 454804), (74, 381052), (124, 227402), (148, 190526), (217, 129944), (248, 113701), (259, 108872), (296, 95263), (434, 64972), (439, 64232), (518, 54436), (868, 32486), (878, 32116), (1036, 27218), (1147, 24584), (1736, 16243), (1756, 16058), (2072, 13609), (2294, 12292), (3073, 9176), (3512, 8029), (4588, 6146)]