49840021

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 66482976

約数和(自身を除く): 16642955

約数列:

[1, 7, 11, 19, 77, 121, 133, 163, 209, 361, 847, 1141, 1463, 1793, 2299, 2527, 3097, 3971, 12551, 16093, 19723, 21679, 27797, 34067, 43681, 58843, 138061, 238469, 305767, 374737, 411901, 647273, 2623159, 4530911, 7120003, 49840021]

約数ペア:

[(1, 49840021), (7, 7120003), (11, 4530911), (19, 2623159), (77, 647273), (121, 411901), (133, 374737), (163, 305767), (209, 238469), (361, 138061), (847, 58843), (1141, 43681), (1463, 34067), (1793, 27797), (2299, 21679), (2527, 19723), (3097, 16093), (3971, 12551)]