131051788

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 271434240

約数和(自身を除く): 140382452

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 301, 356, 602, 623, 1204, 1223, 1246, 2446, 2492, 3827, 4892, 7654, 8561, 15308, 17122, 26789, 34244, 52589, 53578, 105178, 107156, 108847, 210356, 217694, 368123, 435388, 736246, 761929, 1472492, 1523858, 3047716, 4680421, 9360842, 18721684, 32762947, 65525894, 131051788]

約数ペア:

[(1, 131051788), (2, 65525894), (4, 32762947), (7, 18721684), (14, 9360842), (28, 4680421), (43, 3047716), (86, 1523858), (89, 1472492), (172, 761929), (178, 736246), (301, 435388), (356, 368123), (602, 217694), (623, 210356), (1204, 108847), (1223, 107156), (1246, 105178), (2446, 53578), (2492, 52589), (3827, 34244), (4892, 26789), (7654, 17122), (8561, 15308)]