664243398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{405521}}^1$

素因数の和:405549

約数の個数: 48

約数和(自身を含む): 1771320096

約数和(自身を除く): 1107076698

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 405521, 811042, 1216563, 2433126, 2838647, 3649689, 5271773, 5677294, 7299378, 8515941, 10543546, 15815319, 17031882, 25547823, 31630638, 36902411, 47445957, 51095646, 73804822, 94891914, 110707233, 221414466, 332121699, 664243398]

約数ペア:

[(1, 664243398), (2, 332121699), (3, 221414466), (6, 110707233), (7, 94891914), (9, 73804822), (13, 51095646), (14, 47445957), (18, 36902411), (21, 31630638), (26, 25547823), (39, 17031882), (42, 15815319), (63, 10543546), (78, 8515941), (91, 7299378), (117, 5677294), (126, 5271773), (182, 3649689), (234, 2838647), (273, 2433126), (546, 1216563), (819, 811042), (1638, 405521)]