261036287885

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{6507199}}^1$

素因数の和:6507388

約数の個数: 16

約数和(自身を含む): 320466585600

約数和(自身を除く): 59430297715

約数列:

[1, 5, 71, 113, 355, 565, 8023, 40115, 6507199, 32535995, 462011129, 735313487, 2310055645, 3676567435, 52207257577, 261036287885]

約数ペア:

[(1, 261036287885), (5, 52207257577), (71, 3676567435), (113, 2310055645), (355, 735313487), (565, 462011129), (8023, 32535995), (40115, 6507199)]