70681778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3581}}^1$

素因数の和:3793

約数の個数: 16

約数和(自身を含む): 108319680

約数和(自身を除く): 37637902

約数列:

[1, 2, 71, 139, 142, 278, 3581, 7162, 9869, 19738, 254251, 497759, 508502, 995518, 35340889, 70681778]

約数ペア:

[(1, 70681778), (2, 35340889), (71, 995518), (139, 508502), (142, 497759), (278, 254251), (3581, 19738), (7162, 9869)]