90809872

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{31357}}^1$

素因数の和:31546

約数の個数: 20

約数和(自身を含む): 176921836

約数和(自身を除く): 86111964

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 31357, 62714, 125428, 250856, 501712, 5675617, 11351234, 22702468, 45404936, 90809872]

約数ペア:

[(1, 90809872), (2, 45404936), (4, 22702468), (8, 11351234), (16, 5675617), (181, 501712), (362, 250856), (724, 125428), (1448, 62714), (2896, 31357)]