16981372

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 30738960

約数和(自身を除く): 13757588

約数列:

[1, 2, 4, 37, 74, 148, 179, 358, 641, 716, 1282, 2564, 6623, 13246, 23717, 26492, 47434, 94868, 114739, 229478, 458956, 4245343, 8490686, 16981372]

約数ペア:

[(1, 16981372), (2, 8490686), (4, 4245343), (37, 458956), (74, 229478), (148, 114739), (179, 94868), (358, 47434), (641, 26492), (716, 23717), (1282, 13246), (2564, 6623)]