16671941

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 21143808

約数和(自身を除く): 4471867

約数列:

[1, 11, 13, 23, 37, 137, 143, 253, 299, 407, 481, 851, 1507, 1781, 3151, 3289, 5069, 5291, 9361, 11063, 19591, 34661, 40963, 55759, 65897, 116587, 121693, 450593, 724867, 1282457, 1515631, 16671941]

約数ペア:

[(1, 16671941), (11, 1515631), (13, 1282457), (23, 724867), (37, 450593), (137, 121693), (143, 116587), (253, 65897), (299, 55759), (407, 40963), (481, 34661), (851, 19591), (1507, 11063), (1781, 9361), (3151, 5291), (3289, 5069)]