261204710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 513547776

約数和(自身を除く): 252343066

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 169, 254, 338, 635, 845, 1217, 1270, 1651, 1690, 2434, 3302, 6085, 8255, 12170, 15821, 16510, 21463, 31642, 42926, 79105, 107315, 154559, 158210, 205673, 214630, 309118, 411346, 772795, 1028365, 1545590, 2009267, 2056730, 4018534, 10046335, 20092670, 26120471, 52240942, 130602355, 261204710]

約数ペア:

[(1, 261204710), (2, 130602355), (5, 52240942), (10, 26120471), (13, 20092670), (26, 10046335), (65, 4018534), (127, 2056730), (130, 2009267), (169, 1545590), (254, 1028365), (338, 772795), (635, 411346), (845, 309118), (1217, 214630), (1270, 205673), (1651, 158210), (1690, 154559), (2434, 107315), (3302, 79105), (6085, 42926), (8255, 31642), (12170, 21463), (15821, 16510)]