79915678064

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{6121}}^1\times {\mathrm{6229}}^1$

素因数の和:12489

約数の個数: 40

約数和(自身を含む): 156069125520

約数和(自身を除く): 76153447456

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 6121, 6229, 12242, 12458, 24484, 24916, 48968, 49832, 97936, 99664, 801851, 815999, 1603702, 1631998, 3207404, 3263996, 6414808, 6527992, 12829616, 13055984, 38127709, 76255418, 152510836, 305021672, 610043344, 4994729879, 9989459758, 19978919516, 39957839032, 79915678064]

約数ペア:

[(1, 79915678064), (2, 39957839032), (4, 19978919516), (8, 9989459758), (16, 4994729879), (131, 610043344), (262, 305021672), (524, 152510836), (1048, 76255418), (2096, 38127709), (6121, 13055984), (6229, 12829616), (12242, 6527992), (12458, 6414808), (24484, 3263996), (24916, 3207404), (48968, 1631998), (49832, 1603702), (97936, 815999), (99664, 801851)]