7980278

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 12458880

約数和(自身を除く): 4478602

約数列:

[1, 2, 29, 58, 223, 446, 617, 1234, 6467, 12934, 17893, 35786, 137591, 275182, 3990139, 7980278]

約数ペア:

[(1, 7980278), (2, 3990139), (29, 275182), (58, 137591), (223, 35786), (446, 17893), (617, 12934), (1234, 6467)]