140238738

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 312380640

約数和(自身を除く): 172141902

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 409, 443, 774, 818, 886, 1227, 1329, 2454, 2658, 3681, 3987, 7362, 7974, 17587, 19049, 35174, 38098, 52761, 57147, 105522, 114294, 158283, 171441, 181187, 316566, 342882, 362374, 543561, 1087122, 1630683, 3261366, 7791041, 15582082, 23373123, 46746246, 70119369, 140238738]

約数ペア:

[(1, 140238738), (2, 70119369), (3, 46746246), (6, 23373123), (9, 15582082), (18, 7791041), (43, 3261366), (86, 1630683), (129, 1087122), (258, 543561), (387, 362374), (409, 342882), (443, 316566), (774, 181187), (818, 171441), (886, 158283), (1227, 114294), (1329, 105522), (2454, 57147), (2658, 52761), (3681, 38098), (3987, 35174), (7362, 19049), (7974, 17587)]