64676836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 138463360

約数和(自身を除く): 73786524

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 427, 532, 854, 1159, 1708, 1993, 2318, 3986, 4636, 7972, 8113, 13951, 16226, 27902, 32452, 37867, 55804, 75734, 121573, 151468, 243146, 265069, 486292, 530138, 851011, 1060276, 1702022, 2309887, 3404044, 4619774, 9239548, 16169209, 32338418, 64676836]

約数ペア:

[(1, 64676836), (2, 32338418), (4, 16169209), (7, 9239548), (14, 4619774), (19, 3404044), (28, 2309887), (38, 1702022), (61, 1060276), (76, 851011), (122, 530138), (133, 486292), (244, 265069), (266, 243146), (427, 151468), (532, 121573), (854, 75734), (1159, 55804), (1708, 37867), (1993, 32452), (2318, 27902), (3986, 16226), (4636, 13951), (7972, 8113)]