81835270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4993}}^1$

素因数の和:5160

約数の個数: 32

約数和(自身を含む): 161805600

約数和(自身を除く): 79970330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 4993, 8195, 9986, 16390, 24965, 49930, 54923, 109846, 274615, 549230, 743957, 1487914, 3719785, 7439570, 8183527, 16367054, 40917635, 81835270]

約数ペア:

[(1, 81835270), (2, 40917635), (5, 16367054), (10, 8183527), (11, 7439570), (22, 3719785), (55, 1487914), (110, 743957), (149, 549230), (298, 274615), (745, 109846), (1490, 54923), (1639, 49930), (3278, 24965), (4993, 16390), (8195, 9986)]