128493196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{15739}}^1$

素因数の和:15913

約数の個数: 24

約数和(自身を含む): 243718160

約数和(自身を除く): 115224964

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 15739, 31478, 62956, 204607, 409214, 818428, 2471023, 4942046, 9884092, 32123299, 64246598, 128493196]

約数ペア:

[(1, 128493196), (2, 64246598), (4, 32123299), (13, 9884092), (26, 4942046), (52, 2471023), (157, 818428), (314, 409214), (628, 204607), (2041, 62956), (4082, 31478), (8164, 15739)]