1729390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 3429216

約数和(自身を除く): 1699826

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 251, 265, 502, 530, 689, 1255, 1378, 2510, 3263, 3445, 6526, 6890, 13303, 16315, 26606, 32630, 66515, 133030, 172939, 345878, 864695, 1729390]

約数ペア:

[(1, 1729390), (2, 864695), (5, 345878), (10, 172939), (13, 133030), (26, 66515), (53, 32630), (65, 26606), (106, 16315), (130, 13303), (251, 6890), (265, 6526), (502, 3445), (530, 3263), (689, 2510), (1255, 1378)]