42495985

素因数分解:

$5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 17984015

約数列:

[1, 5, 7, 35, 49, 71, 245, 343, 349, 355, 497, 1715, 1745, 2443, 2485, 3479, 12215, 17101, 17395, 24353, 24779, 85505, 119707, 121765, 123895, 173453, 598535, 867265, 1214171, 6070855, 8499197, 42495985]

約数ペア:

[(1, 42495985), (5, 8499197), (7, 6070855), (35, 1214171), (49, 867265), (71, 598535), (245, 173453), (343, 123895), (349, 121765), (355, 119707), (497, 85505), (1715, 24779), (1745, 24353), (2443, 17395), (2485, 17101), (3479, 12215)]