84870052

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{73417}}^1$

素因数の和:73455

約数の個数: 18

約数和(自身を含む): 157775282

約数和(自身を除く): 72905230

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 73417, 146834, 293668, 1248089, 2496178, 4992356, 21217513, 42435026, 84870052]

約数ペア:

[(1, 84870052), (2, 42435026), (4, 21217513), (17, 4992356), (34, 2496178), (68, 1248089), (289, 293668), (578, 146834), (1156, 73417)]