81778228

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{171803}}^1$

素因数の和:171831

約数の個数: 24

約数和(自身を含む): 173178432

約数和(自身を除く): 91400204

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 171803, 343606, 687212, 1202621, 2405242, 2920651, 4810484, 5841302, 11682604, 20444557, 40889114, 81778228]

約数ペア:

[(1, 81778228), (2, 40889114), (4, 20444557), (7, 11682604), (14, 5841302), (17, 4810484), (28, 2920651), (34, 2405242), (68, 1202621), (119, 687212), (238, 343606), (476, 171803)]