78787874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 133494912

約数和(自身を除く): 54707038

約数列:

[1, 2, 11, 22, 37, 74, 151, 302, 407, 641, 814, 1282, 1661, 3322, 5587, 7051, 11174, 14102, 23717, 47434, 61457, 96791, 122914, 193582, 260887, 521774, 1064701, 2129402, 3581267, 7162534, 39393937, 78787874]

約数ペア:

[(1, 78787874), (2, 39393937), (11, 7162534), (22, 3581267), (37, 2129402), (74, 1064701), (151, 521774), (302, 260887), (407, 193582), (641, 122914), (814, 96791), (1282, 61457), (1661, 47434), (3322, 23717), (5587, 14102), (7051, 11174)]