8720228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 17204880

約数和(自身を除く): 8484652

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 419, 473, 484, 838, 946, 1676, 1892, 4609, 5203, 9218, 10406, 18017, 18436, 20812, 36034, 50699, 72068, 101398, 198187, 202796, 396374, 792748, 2180057, 4360114, 8720228]

約数ペア:

[(1, 8720228), (2, 4360114), (4, 2180057), (11, 792748), (22, 396374), (43, 202796), (44, 198187), (86, 101398), (121, 72068), (172, 50699), (242, 36034), (419, 20812), (473, 18436), (484, 18017), (838, 10406), (946, 9218), (1676, 5203), (1892, 4609)]