161877996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{642373}}^1$

素因数の和:642390

約数の個数: 36

約数和(自身を含む): 467648272

約数和(自身を除く): 305770276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 642373, 1284746, 1927119, 2569492, 3854238, 4496611, 5781357, 7708476, 8993222, 11562714, 13489833, 17986444, 23125428, 26979666, 40469499, 53959332, 80938998, 161877996]

約数ペア:

[(1, 161877996), (2, 80938998), (3, 53959332), (4, 40469499), (6, 26979666), (7, 23125428), (9, 17986444), (12, 13489833), (14, 11562714), (18, 8993222), (21, 7708476), (28, 5781357), (36, 4496611), (42, 3854238), (63, 2569492), (84, 1927119), (126, 1284746), (252, 642373)]