2108465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 2666496

約数和(自身を除く): 558031

約数列:

[1, 5, 31, 61, 155, 223, 305, 1115, 1891, 6913, 9455, 13603, 34565, 68015, 421693, 2108465]

約数ペア:

[(1, 2108465), (5, 421693), (31, 68015), (61, 34565), (155, 13603), (223, 9455), (305, 6913), (1115, 1891)]