2890111679

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7703}}^1$

素因数の和:7780

約数の個数: 48

約数和(自身を含む): 3934586880

約数和(自身を除く): 1044475201

約数列:

[1, 7, 13, 19, 31, 49, 91, 133, 217, 247, 403, 589, 637, 931, 1519, 1729, 2821, 4123, 7657, 7703, 12103, 19747, 28861, 53599, 53921, 100139, 146357, 238793, 375193, 377447, 700973, 1024499, 1671551, 1902641, 3104309, 4537067, 4906811, 7171493, 11700857, 13318487, 21730163, 31759469, 58981871, 93229409, 152111141, 222316283, 412873097, 2890111679]

約数ペア:

[(1, 2890111679), (7, 412873097), (13, 222316283), (19, 152111141), (31, 93229409), (49, 58981871), (91, 31759469), (133, 21730163), (217, 13318487), (247, 11700857), (403, 7171493), (589, 4906811), (637, 4537067), (931, 3104309), (1519, 1902641), (1729, 1671551), (2821, 1024499), (4123, 700973), (7657, 377447), (7703, 375193), (12103, 238793), (19747, 146357), (28861, 100139), (53599, 53921)]