16991013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 25683840

約数和(自身を除く): 8692827

約数列:

[1, 3, 13, 29, 39, 83, 87, 181, 249, 377, 543, 1079, 1131, 2353, 2407, 3237, 5249, 7059, 7221, 15023, 15747, 31291, 45069, 68237, 93873, 195299, 204711, 435667, 585897, 1307001, 5663671, 16991013]

約数ペア:

[(1, 16991013), (3, 5663671), (13, 1307001), (29, 585897), (39, 435667), (83, 204711), (87, 195299), (181, 93873), (249, 68237), (377, 45069), (543, 31291), (1079, 15747), (1131, 15023), (2353, 7221), (2407, 7059), (3237, 5249)]