28787110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 58585968

約数和(自身を除く): 29798858

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 605, 643, 814, 1210, 1286, 2035, 3215, 4070, 4477, 6430, 7073, 8954, 14146, 22385, 23791, 35365, 44770, 47582, 70730, 77803, 118955, 155606, 237910, 261701, 389015, 523402, 778030, 1308505, 2617010, 2878711, 5757422, 14393555, 28787110]

約数ペア:

[(1, 28787110), (2, 14393555), (5, 5757422), (10, 2878711), (11, 2617010), (22, 1308505), (37, 778030), (55, 523402), (74, 389015), (110, 261701), (121, 237910), (185, 155606), (242, 118955), (370, 77803), (407, 70730), (605, 47582), (643, 44770), (814, 35365), (1210, 23791), (1286, 22385), (2035, 14146), (3215, 8954), (4070, 7073), (4477, 6430)]