19970629

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23579136

約数和(自身を除く): 3608507

約数列:

[1, 7, 47, 101, 329, 601, 707, 4207, 4747, 28247, 33229, 60701, 197729, 424907, 2852947, 19970629]

約数ペア:

[(1, 19970629), (7, 2852947), (47, 424907), (101, 197729), (329, 60701), (601, 33229), (707, 28247), (4207, 4747)]