2762890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 5470416

約数和(自身を除く): 2707526

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 401, 530, 689, 802, 1378, 2005, 3445, 4010, 5213, 6890, 10426, 21253, 26065, 42506, 52130, 106265, 212530, 276289, 552578, 1381445, 2762890]

約数ペア:

[(1, 2762890), (2, 1381445), (5, 552578), (10, 276289), (13, 212530), (26, 106265), (53, 52130), (65, 42506), (106, 26065), (130, 21253), (265, 10426), (401, 6890), (530, 5213), (689, 4010), (802, 3445), (1378, 2005)]