1639731664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{9857}}^1$

素因数の和:10183

約数の個数: 40

約数和(自身を含む): 3274788168

約数和(自身を除く): 1635056504

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 281, 296, 562, 592, 1124, 2248, 4496, 9857, 10397, 19714, 20794, 39428, 41588, 78856, 83176, 157712, 166352, 364709, 729418, 1458836, 2769817, 2917672, 5539634, 5835344, 11079268, 22158536, 44317072, 102483229, 204966458, 409932916, 819865832, 1639731664]

約数ペア:

[(1, 1639731664), (2, 819865832), (4, 409932916), (8, 204966458), (16, 102483229), (37, 44317072), (74, 22158536), (148, 11079268), (281, 5835344), (296, 5539634), (562, 2917672), (592, 2769817), (1124, 1458836), (2248, 729418), (4496, 364709), (9857, 166352), (10397, 157712), (19714, 83176), (20794, 78856), (39428, 41588)]