663669890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{6871}}^1$

素因数の和:7634

約数の個数: 32

約数和(自身を含む): 1288417536

約数和(自身を除く): 624747646

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 743, 1486, 3715, 6871, 7430, 9659, 13742, 19318, 34355, 48295, 68710, 89323, 96590, 178646, 446615, 893230, 5105153, 10210306, 25525765, 51051530, 66366989, 132733978, 331834945, 663669890]

約数ペア:

[(1, 663669890), (2, 331834945), (5, 132733978), (10, 66366989), (13, 51051530), (26, 25525765), (65, 10210306), (130, 5105153), (743, 893230), (1486, 446615), (3715, 178646), (6871, 96590), (7430, 89323), (9659, 68710), (13742, 48295), (19318, 34355)]