28205121005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3997891}}^1$

素因数の和:3997996

約数の個数: 16

約数和(自身を含む): 36268876224

約数和(自身を除く): 8063755219

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 3997891, 19989455, 67964147, 331824953, 339820735, 1659124765, 5641024201, 28205121005]

約数ペア:

[(1, 28205121005), (5, 5641024201), (17, 1659124765), (83, 339820735), (85, 331824953), (415, 67964147), (1411, 19989455), (7055, 3997891)]