131430145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 213497856

約数和(自身を除く): 82067711

約数列:

[1, 5, 7, 11, 17, 35, 43, 55, 77, 85, 119, 187, 215, 301, 385, 467, 473, 595, 731, 935, 1309, 1505, 2335, 2365, 3269, 3311, 3655, 5117, 5137, 6545, 7939, 8041, 16345, 16555, 20081, 25585, 25685, 35959, 39695, 40205, 55573, 56287, 87329, 100405, 140567, 179795, 220891, 277865, 281435, 341377, 436645, 611303, 702835, 1104455, 1546237, 1706885, 2389639, 3056515, 3755147, 7731185, 11948195, 18775735, 26286029, 131430145]

約数ペア:

[(1, 131430145), (5, 26286029), (7, 18775735), (11, 11948195), (17, 7731185), (35, 3755147), (43, 3056515), (55, 2389639), (77, 1706885), (85, 1546237), (119, 1104455), (187, 702835), (215, 611303), (301, 436645), (385, 341377), (467, 281435), (473, 277865), (595, 220891), (731, 179795), (935, 140567), (1309, 100405), (1505, 87329), (2335, 56287), (2365, 55573), (3269, 40205), (3311, 39695), (3655, 35959), (5117, 25685), (5137, 25585), (6545, 20081), (7939, 16555), (8041, 16345)]