81806186

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 79070614

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 293, 343, 407, 518, 539, 586, 686, 814, 1078, 1813, 2051, 2849, 3223, 3626, 3773, 4102, 5698, 6446, 7546, 10841, 12691, 14357, 19943, 21682, 22561, 25382, 28714, 39886, 45122, 75887, 100499, 119251, 139601, 151774, 157927, 200998, 238502, 279202, 315854, 531209, 834757, 1062418, 1105489, 1669514, 2210978, 3718463, 5843299, 7436926, 11686598, 40903093, 81806186]

約数ペア:

[(1, 81806186), (2, 40903093), (7, 11686598), (11, 7436926), (14, 5843299), (22, 3718463), (37, 2210978), (49, 1669514), (74, 1105489), (77, 1062418), (98, 834757), (154, 531209), (259, 315854), (293, 279202), (343, 238502), (407, 200998), (518, 157927), (539, 151774), (586, 139601), (686, 119251), (814, 100499), (1078, 75887), (1813, 45122), (2051, 39886), (2849, 28714), (3223, 25382), (3626, 22561), (3773, 21682), (4102, 19943), (5698, 14357), (6446, 12691), (7546, 10841)]