397788313

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 471129840

約数和(自身を除く): 73341527

約数列:

[1, 13, 19, 43, 67, 169, 247, 559, 817, 871, 1273, 1849, 2881, 3211, 7267, 10621, 11323, 16549, 24037, 35131, 37453, 54739, 123883, 138073, 215137, 312481, 456703, 486889, 711607, 1610479, 2353777, 5937139, 9250891, 20936227, 30599101, 397788313]

約数ペア:

[(1, 397788313), (13, 30599101), (19, 20936227), (43, 9250891), (67, 5937139), (169, 2353777), (247, 1610479), (559, 711607), (817, 486889), (871, 456703), (1273, 312481), (1849, 215137), (2881, 138073), (3211, 123883), (7267, 54739), (10621, 37453), (11323, 35131), (16549, 24037)]