278300245

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{10009}}^1$

素因数の和:10164

約数の個数: 16

約数和(自身を含む): 343062720

約数和(自身を除く): 64762475

約数列:

[1, 5, 67, 83, 335, 415, 5561, 10009, 27805, 50045, 670603, 830747, 3353015, 4153735, 55660049, 278300245]

約数ペア:

[(1, 278300245), (5, 55660049), (67, 4153735), (83, 3353015), (335, 830747), (415, 670603), (5561, 50045), (10009, 27805)]