668601908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{919}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 1337253120

約数和(自身を除く): 668651212

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 823, 884, 919, 1646, 1838, 3292, 3676, 10699, 11947, 13991, 15623, 21398, 23894, 27982, 31246, 42796, 47788, 55964, 62492, 181883, 203099, 363766, 406198, 727532, 756337, 812396, 1512674, 3025348, 9832381, 12857729, 19664762, 25715458, 39329524, 51430916, 167150477, 334300954, 668601908]

約数ペア:

[(1, 668601908), (2, 334300954), (4, 167150477), (13, 51430916), (17, 39329524), (26, 25715458), (34, 19664762), (52, 12857729), (68, 9832381), (221, 3025348), (442, 1512674), (823, 812396), (884, 756337), (919, 727532), (1646, 406198), (1838, 363766), (3292, 203099), (3676, 181883), (10699, 62492), (11947, 55964), (13991, 47788), (15623, 42796), (21398, 31246), (23894, 27982)]