156719498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{20857}}^1$

素因数の和:20906

約数の個数: 24

約数和(自身を含む): 268943052

約数和(自身を除く): 112223554

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 7514, 20857, 41714, 271141, 354569, 542282, 709138, 4609397, 6027673, 9218794, 12055346, 78359749, 156719498]

約数ペア:

[(1, 156719498), (2, 78359749), (13, 12055346), (17, 9218794), (26, 6027673), (34, 4609397), (221, 709138), (289, 542282), (442, 354569), (578, 271141), (3757, 41714), (7514, 20857)]