251767490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{36541}}^1$

素因数の和:36614

約数の個数: 32

約数和(自身を含む): 497263536

約数和(自身を除く): 245496046

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 36541, 73082, 182705, 365410, 475033, 950066, 1936673, 2375165, 3873346, 4750330, 9683365, 19366730, 25176749, 50353498, 125883745, 251767490]

約数ペア:

[(1, 251767490), (2, 125883745), (5, 50353498), (10, 25176749), (13, 19366730), (26, 9683365), (53, 4750330), (65, 3873346), (106, 2375165), (130, 1936673), (265, 950066), (530, 475033), (689, 365410), (1378, 182705), (3445, 73082), (6890, 36541)]