31325896

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 68895900

約数和(自身を除く): 37570004

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 314, 392, 509, 628, 1018, 1099, 1256, 2036, 2198, 3563, 4072, 4396, 7126, 7693, 8792, 14252, 15386, 24941, 28504, 30772, 49882, 61544, 79913, 99764, 159826, 199528, 319652, 559391, 639304, 1118782, 2237564, 3915737, 4475128, 7831474, 15662948, 31325896]

約数ペア:

[(1, 31325896), (2, 15662948), (4, 7831474), (7, 4475128), (8, 3915737), (14, 2237564), (28, 1118782), (49, 639304), (56, 559391), (98, 319652), (157, 199528), (196, 159826), (314, 99764), (392, 79913), (509, 61544), (628, 49882), (1018, 30772), (1099, 28504), (1256, 24941), (2036, 15386), (2198, 14252), (3563, 8792), (4072, 7693), (4396, 7126)]