639830026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1\times {\mathrm{757}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 1061394048

約数和(自身を除く): 421564022

約数列:

[1, 2, 11, 22, 103, 206, 373, 746, 757, 1133, 1514, 2266, 4103, 8206, 8327, 16654, 38419, 76838, 77971, 155942, 282361, 422609, 564722, 845218, 857681, 1715362, 3105971, 6211942, 29083183, 58166366, 319915013, 639830026]

約数ペア:

[(1, 639830026), (2, 319915013), (11, 58166366), (22, 29083183), (103, 6211942), (206, 3105971), (373, 1715362), (746, 857681), (757, 845218), (1133, 564722), (1514, 422609), (2266, 282361), (4103, 155942), (8206, 77971), (8327, 76838), (16654, 38419)]