4891985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 7188480

約数和(自身を除く): 2296495

約数列:

[1, 5, 7, 23, 35, 59, 103, 115, 161, 295, 413, 515, 721, 805, 1357, 2065, 2369, 3605, 6077, 6785, 9499, 11845, 16583, 30385, 42539, 47495, 82915, 139771, 212695, 698855, 978397, 4891985]

約数ペア:

[(1, 4891985), (5, 978397), (7, 698855), (23, 212695), (35, 139771), (59, 82915), (103, 47495), (115, 42539), (161, 30385), (295, 16583), (413, 11845), (515, 9499), (721, 6785), (805, 6077), (1357, 3605), (2065, 2369)]