13929205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 18779904

約数和(自身を除く): 4850699

約数列:

[1, 5, 17, 37, 43, 85, 103, 185, 215, 515, 629, 731, 1591, 1751, 3145, 3655, 3811, 4429, 7955, 8755, 19055, 22145, 27047, 64787, 75293, 135235, 163873, 323935, 376465, 819365, 2785841, 13929205]

約数ペア:

[(1, 13929205), (5, 2785841), (17, 819365), (37, 376465), (43, 323935), (85, 163873), (103, 135235), (185, 75293), (215, 64787), (515, 27047), (629, 22145), (731, 19055), (1591, 8755), (1751, 7955), (3145, 4429), (3655, 3811)]