138597745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 208373760

約数和(自身を除く): 69776015

約数列:

[1, 5, 11, 13, 31, 37, 55, 65, 143, 155, 169, 185, 341, 403, 407, 481, 715, 845, 1147, 1705, 1859, 2015, 2035, 2197, 2405, 4433, 5239, 5291, 5735, 6253, 9295, 10985, 12617, 14911, 22165, 24167, 26195, 26455, 31265, 57629, 63085, 68107, 68783, 74555, 81289, 120835, 164021, 193843, 288145, 340535, 343915, 406445, 749177, 820105, 894179, 969215, 2132273, 2519959, 3745885, 4470895, 10661365, 12599795, 27719549, 138597745]

約数ペア:

[(1, 138597745), (5, 27719549), (11, 12599795), (13, 10661365), (31, 4470895), (37, 3745885), (55, 2519959), (65, 2132273), (143, 969215), (155, 894179), (169, 820105), (185, 749177), (341, 406445), (403, 343915), (407, 340535), (481, 288145), (715, 193843), (845, 164021), (1147, 120835), (1705, 81289), (1859, 74555), (2015, 68783), (2035, 68107), (2197, 63085), (2405, 57629), (4433, 31265), (5239, 26455), (5291, 26195), (5735, 24167), (6253, 22165), (9295, 14911), (10985, 12617)]