256066545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{8999}}^1$

素因数の和:9285

約数の個数: 32

約数和(自身を含む): 470016000

約数和(自身を除く): 213949455

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271, 813, 1355, 1897, 4065, 5691, 8999, 9485, 26997, 28455, 44995, 62993, 134985, 188979, 314965, 944895, 2438729, 7316187, 12193645, 17071103, 36580935, 51213309, 85355515, 256066545]

約数ペア:

[(1, 256066545), (3, 85355515), (5, 51213309), (7, 36580935), (15, 17071103), (21, 12193645), (35, 7316187), (105, 2438729), (271, 944895), (813, 314965), (1355, 188979), (1897, 134985), (4065, 62993), (5691, 44995), (8999, 28455), (9485, 26997)]