72018808

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{209357}}^1$

素因数の和:209406

約数の個数: 16

約数和(自身を含む): 138176280

約数和(自身を除く): 66157472

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 209357, 418714, 837428, 1674856, 9002351, 18004702, 36009404, 72018808]

約数ペア:

[(1, 72018808), (2, 36009404), (4, 18004702), (8, 9002351), (43, 1674856), (86, 837428), (172, 418714), (344, 209357)]