686981230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{99707}}^1$

素因数の和:99780

約数の個数: 32

約数和(自身を含む): 1356826464

約数和(自身を除く): 669845234

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 99707, 199414, 498535, 997070, 1296191, 2592382, 5284471, 6480955, 10568942, 12961910, 26422355, 52844710, 68698123, 137396246, 343490615, 686981230]

約数ペア:

[(1, 686981230), (2, 343490615), (5, 137396246), (10, 68698123), (13, 52844710), (26, 26422355), (53, 12961910), (65, 10568942), (106, 6480955), (130, 5284471), (265, 2592382), (530, 1296191), (689, 997070), (1378, 498535), (3445, 199414), (6890, 99707)]