406977985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 529120512

約数和(自身を除く): 122142527

約数列:

[1, 5, 23, 37, 101, 115, 185, 505, 851, 947, 2323, 3737, 4255, 4735, 11615, 18685, 21781, 35039, 85951, 95647, 108905, 175195, 429755, 478235, 805897, 2199881, 3538939, 4029485, 10999405, 17694695, 81395597, 406977985]

約数ペア:

[(1, 406977985), (5, 81395597), (23, 17694695), (37, 10999405), (101, 4029485), (115, 3538939), (185, 2199881), (505, 805897), (851, 478235), (947, 429755), (2323, 175195), (3737, 108905), (4255, 95647), (4735, 85951), (11615, 35039), (18685, 21781)]