77869990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 158982912

約数和(自身を除く): 81112922

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 101, 110, 163, 202, 215, 326, 430, 473, 505, 815, 946, 1010, 1111, 1630, 1793, 2222, 2365, 3586, 4343, 4730, 5555, 7009, 8686, 8965, 11110, 14018, 16463, 17930, 21715, 32926, 35045, 43430, 47773, 70090, 77099, 82315, 95546, 154198, 164630, 181093, 238865, 362186, 385495, 477730, 707909, 770990, 905465, 1415818, 1810930, 3539545, 7079090, 7786999, 15573998, 38934995, 77869990]

約数ペア:

[(1, 77869990), (2, 38934995), (5, 15573998), (10, 7786999), (11, 7079090), (22, 3539545), (43, 1810930), (55, 1415818), (86, 905465), (101, 770990), (110, 707909), (163, 477730), (202, 385495), (215, 362186), (326, 238865), (430, 181093), (473, 164630), (505, 154198), (815, 95546), (946, 82315), (1010, 77099), (1111, 70090), (1630, 47773), (1793, 43430), (2222, 35045), (2365, 32926), (3586, 21715), (4343, 17930), (4730, 16463), (5555, 14018), (7009, 11110), (8686, 8965)]