690408128

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{68711}}^1$

素因数の和:68880

約数の個数: 28

約数和(自身を含む): 1378774992

約数和(自身を除く): 688366864

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 2512, 5024, 10048, 68711, 137422, 274844, 549688, 1099376, 2198752, 4397504, 10787627, 21575254, 43150508, 86301016, 172602032, 345204064, 690408128]

約数ペア:

[(1, 690408128), (2, 345204064), (4, 172602032), (8, 86301016), (16, 43150508), (32, 21575254), (64, 10787627), (157, 4397504), (314, 2198752), (628, 1099376), (1256, 549688), (2512, 274844), (5024, 137422), (10048, 68711)]