1648659968

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{21611}}^1$

素因数の和:21778

約数の個数: 40

約数和(自身を含む): 3316361400

約数和(自身を除く): 1667701432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 298, 512, 596, 1192, 2384, 4768, 9536, 19072, 21611, 38144, 43222, 76288, 86444, 172888, 345776, 691552, 1383104, 2766208, 3220039, 5532416, 6440078, 11064832, 12880156, 25760312, 51520624, 103041248, 206082496, 412164992, 824329984, 1648659968]

約数ペア:

[(1, 1648659968), (2, 824329984), (4, 412164992), (8, 206082496), (16, 103041248), (32, 51520624), (64, 25760312), (128, 12880156), (149, 11064832), (256, 6440078), (298, 5532416), (512, 3220039), (596, 2766208), (1192, 1383104), (2384, 691552), (4768, 345776), (9536, 172888), (19072, 86444), (21611, 76288), (38144, 43222)]