661365770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{8941}}^1$

素因数の和:9530

約数の個数: 32

約数和(自身を含む): 1284428880

約数和(自身を除く): 623063110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 569, 1138, 2845, 5690, 7397, 8941, 14794, 17882, 36985, 44705, 73970, 89410, 116233, 232466, 581165, 1162330, 5087429, 10174858, 25437145, 50874290, 66136577, 132273154, 330682885, 661365770]

約数ペア:

[(1, 661365770), (2, 330682885), (5, 132273154), (10, 66136577), (13, 50874290), (26, 25437145), (65, 10174858), (130, 5087429), (569, 1162330), (1138, 581165), (2845, 232466), (5690, 116233), (7397, 89410), (8941, 73970), (14794, 44705), (17882, 36985)]