28830215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 9583225

約数列:

[1, 5, 17, 37, 85, 89, 103, 185, 445, 515, 629, 1513, 1751, 3145, 3293, 3811, 7565, 8755, 9167, 16465, 19055, 45835, 55981, 64787, 155839, 279905, 323935, 339179, 779195, 1695895, 5766043, 28830215]

約数ペア:

[(1, 28830215), (5, 5766043), (17, 1695895), (37, 779195), (85, 339179), (89, 323935), (103, 279905), (185, 155839), (445, 64787), (515, 55981), (629, 45835), (1513, 19055), (1751, 16465), (3145, 9167), (3293, 8755), (3811, 7565)]