28759970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40507}}^1$

素因数の和:40585

約数の個数: 16

約数和(自身を含む): 52498368

約数和(自身を除く): 23738398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40507, 81014, 202535, 405070, 2875997, 5751994, 14379985, 28759970]

約数ペア:

[(1, 28759970), (2, 14379985), (5, 5751994), (10, 2875997), (71, 405070), (142, 202535), (355, 81014), (710, 40507)]