981817921

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{7517}}^1$

素因数の和:7968

約数の個数: 16

約数和(自身を含む): 1148990976

約数和(自身を除く): 167173055

約数列:

[1, 7, 47, 329, 397, 2779, 7517, 18659, 52619, 130613, 353299, 2473093, 2984249, 20889743, 140259703, 981817921]

約数ペア:

[(1, 981817921), (7, 140259703), (47, 20889743), (329, 2984249), (397, 2473093), (2779, 353299), (7517, 130613), (18659, 52619)]