217513406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1373}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 375926400

約数和(自身を除く): 158412994

約数列:

[1, 2, 11, 19, 22, 38, 209, 379, 418, 758, 1373, 2746, 4169, 7201, 8338, 14402, 15103, 26087, 30206, 52174, 79211, 158422, 286957, 520367, 573914, 1040734, 5724037, 9886973, 11448074, 19773946, 108756703, 217513406]

約数ペア:

[(1, 217513406), (2, 108756703), (11, 19773946), (19, 11448074), (22, 9886973), (38, 5724037), (209, 1040734), (379, 573914), (418, 520367), (758, 286957), (1373, 158422), (2746, 79211), (4169, 52174), (7201, 30206), (8338, 26087), (14402, 15103)]