140853818

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{51071}}^1$

素因数の和:51277

約数の個数: 16

約数和(自身を含む): 242694144

約数和(自身を除く): 101840326

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 51071, 102142, 357497, 714994, 10060987, 20121974, 70426909, 140853818]

約数ペア:

[(1, 140853818), (2, 70426909), (7, 20121974), (14, 10060987), (197, 714994), (394, 357497), (1379, 102142), (2758, 51071)]