81532990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5573}}^1$

素因数の和:5617

約数の個数: 64

約数和(自身を含む): 192637440

約数和(自身を除く): 111104450

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 5573, 7315, 11146, 14630, 27865, 39011, 55730, 61303, 78022, 105887, 122606, 195055, 211774, 306515, 390110, 429121, 529435, 613030, 741209, 858242, 1058870, 1164757, 1482418, 2145605, 2329514, 3706045, 4291210, 5823785, 7412090, 8153299, 11647570, 16306598, 40766495, 81532990]

約数ペア:

[(1, 81532990), (2, 40766495), (5, 16306598), (7, 11647570), (10, 8153299), (11, 7412090), (14, 5823785), (19, 4291210), (22, 3706045), (35, 2329514), (38, 2145605), (55, 1482418), (70, 1164757), (77, 1058870), (95, 858242), (110, 741209), (133, 613030), (154, 529435), (190, 429121), (209, 390110), (266, 306515), (385, 211774), (418, 195055), (665, 122606), (770, 105887), (1045, 78022), (1330, 61303), (1463, 55730), (2090, 39011), (2926, 27865), (5573, 14630), (7315, 11146)]