16227911

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 4673977

約数列:

[1, 7, 17, 31, 53, 83, 119, 217, 371, 527, 581, 901, 1411, 1643, 2573, 3689, 4399, 6307, 9877, 11501, 18011, 27931, 30793, 43741, 74783, 136369, 195517, 306187, 523481, 954583, 2318273, 16227911]

約数ペア:

[(1, 16227911), (7, 2318273), (17, 954583), (31, 523481), (53, 306187), (83, 195517), (119, 136369), (217, 74783), (371, 43741), (527, 30793), (581, 27931), (901, 18011), (1411, 11501), (1643, 9877), (2573, 6307), (3689, 4399)]