1640900639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1\times {\mathrm{5261}}^1$

素因数の和:7906

約数の個数: 16

約数和(自身を含む): 1986762816

約数和(自身を除く): 345862177

約数列:

[1, 7, 17, 119, 2621, 5261, 18347, 36827, 44557, 89437, 311899, 626059, 13789081, 96523567, 234414377, 1640900639]

約数ペア:

[(1, 1640900639), (7, 234414377), (17, 96523567), (119, 13789081), (2621, 626059), (5261, 311899), (18347, 89437), (36827, 44557)]