64736224670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1280131}}^1$

素因数の和:1280540

約数の個数: 32

約数和(自身を含む): 125811372960

約数和(自身を除く): 61075148290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 10114, 25285, 50570, 1280131, 2560262, 6400655, 12801310, 16641703, 33283406, 83208515, 166417030, 497970959, 995941918, 2489854795, 4979709590, 6473622467, 12947244934, 32368112335, 64736224670]

約数ペア:

[(1, 64736224670), (2, 32368112335), (5, 12947244934), (10, 6473622467), (13, 4979709590), (26, 2489854795), (65, 995941918), (130, 497970959), (389, 166417030), (778, 83208515), (1945, 33283406), (3890, 16641703), (5057, 12801310), (10114, 6400655), (25285, 2560262), (50570, 1280131)]