386400916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{21577}}^1$

素因数の和:21640

約数の個数: 36

約数和(自身を含む): 763386484

約数和(自身を除く): 376985568

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1628, 4477, 8954, 17908, 21577, 43154, 86308, 237347, 474694, 798349, 949388, 1596698, 2610817, 3193396, 5221634, 8781839, 10443268, 17563678, 35127356, 96600229, 193200458, 386400916]

約数ペア:

[(1, 386400916), (2, 193200458), (4, 96600229), (11, 35127356), (22, 17563678), (37, 10443268), (44, 8781839), (74, 5221634), (121, 3193396), (148, 2610817), (242, 1596698), (407, 949388), (484, 798349), (814, 474694), (1628, 237347), (4477, 86308), (8954, 43154), (17908, 21577)]