40237379

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 52321896

約数和(自身を除く): 12084517

約数列:

[1, 7, 13, 43, 49, 91, 113, 169, 301, 559, 637, 791, 1183, 1469, 2107, 3913, 4859, 5537, 7267, 8281, 10283, 19097, 27391, 34013, 50869, 63167, 71981, 133679, 238091, 356083, 442169, 821171, 935753, 3095183, 5748197, 40237379]

約数ペア:

[(1, 40237379), (7, 5748197), (13, 3095183), (43, 935753), (49, 821171), (91, 442169), (113, 356083), (169, 238091), (301, 133679), (559, 71981), (637, 63167), (791, 50869), (1183, 34013), (1469, 27391), (2107, 19097), (3913, 10283), (4859, 8281), (5537, 7267)]