72969688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1979}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 76718312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 419, 838, 1676, 1979, 3352, 3958, 4609, 7916, 9218, 15832, 18436, 21769, 36872, 43538, 87076, 174152, 829201, 1658402, 3316804, 6633608, 9121211, 18242422, 36484844, 72969688]

約数ペア:

[(1, 72969688), (2, 36484844), (4, 18242422), (8, 9121211), (11, 6633608), (22, 3316804), (44, 1658402), (88, 829201), (419, 174152), (838, 87076), (1676, 43538), (1979, 36872), (3352, 21769), (3958, 18436), (4609, 15832), (7916, 9218)]