281435570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{26083}}^1$

素因数の和:26186

約数の個数: 32

約数和(自身を含む): 552146112

約数和(自身を除く): 270710542

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 10790, 26083, 52166, 130415, 260830, 339079, 678158, 1695395, 2164889, 3390790, 4329778, 10824445, 21648890, 28143557, 56287114, 140717785, 281435570]

約数ペア:

[(1, 281435570), (2, 140717785), (5, 56287114), (10, 28143557), (13, 21648890), (26, 10824445), (65, 4329778), (83, 3390790), (130, 2164889), (166, 1695395), (415, 678158), (830, 339079), (1079, 260830), (2158, 130415), (5395, 52166), (10790, 26083)]