138955535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 191509056

約数和(自身を除く): 52553521

約数列:

[1, 5, 17, 23, 37, 85, 113, 115, 185, 289, 391, 565, 629, 851, 1445, 1921, 1955, 2599, 3145, 4181, 4255, 6647, 9605, 10693, 12995, 14467, 20905, 32657, 33235, 44183, 53465, 71077, 72335, 96163, 163285, 220915, 245939, 355385, 480815, 751111, 1208309, 1229695, 1634771, 3755555, 6041545, 8173855, 27791107, 138955535]

約数ペア:

[(1, 138955535), (5, 27791107), (17, 8173855), (23, 6041545), (37, 3755555), (85, 1634771), (113, 1229695), (115, 1208309), (185, 751111), (289, 480815), (391, 355385), (565, 245939), (629, 220915), (851, 163285), (1445, 96163), (1921, 72335), (1955, 71077), (2599, 53465), (3145, 44183), (4181, 33235), (4255, 32657), (6647, 20905), (9605, 14467), (10693, 12995)]