207958465

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 299096784

約数和(自身を除く): 91138319

約数列:

[1, 5, 11, 13, 55, 65, 121, 137, 143, 193, 605, 685, 715, 965, 1507, 1573, 1781, 2123, 2509, 7535, 7865, 8905, 10615, 12545, 16577, 19591, 23353, 26441, 27599, 82885, 97955, 116765, 132205, 137995, 215501, 290851, 303589, 343733, 1077505, 1454255, 1517945, 1718665, 3199361, 3781063, 15996805, 18905315, 41591693, 207958465]

約数ペア:

[(1, 207958465), (5, 41591693), (11, 18905315), (13, 15996805), (55, 3781063), (65, 3199361), (121, 1718665), (137, 1517945), (143, 1454255), (193, 1077505), (605, 343733), (685, 303589), (715, 290851), (965, 215501), (1507, 137995), (1573, 132205), (1781, 116765), (2123, 97955), (2509, 82885), (7535, 27599), (7865, 26441), (8905, 23353), (10615, 19591), (12545, 16577)]