78261808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{132199}}^1$

素因数の和:132244

約数の個数: 20

約数和(自身を含む): 155731600

約数和(自身を除く): 77469792

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 132199, 264398, 528796, 1057592, 2115184, 4891363, 9782726, 19565452, 39130904, 78261808]

約数ペア:

[(1, 78261808), (2, 39130904), (4, 19565452), (8, 9782726), (16, 4891363), (37, 2115184), (74, 1057592), (148, 528796), (296, 264398), (592, 132199)]