640350148

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{9857}}^1$

素因数の和:10119

約数の個数: 24

約数和(自身を含む): 1138599000

約数和(自身を除く): 498248852

約数列:

[1, 2, 4, 109, 149, 218, 298, 436, 596, 9857, 16241, 19714, 32482, 39428, 64964, 1074413, 1468693, 2148826, 2937386, 4297652, 5874772, 160087537, 320175074, 640350148]

約数ペア:

[(1, 640350148), (2, 320175074), (4, 160087537), (109, 5874772), (149, 4297652), (218, 2937386), (298, 2148826), (436, 1468693), (596, 1074413), (9857, 64964), (16241, 39428), (19714, 32482)]