259490890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{3643}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 495875520

約数和(自身を除く): 236384630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 2095, 3643, 4190, 7123, 7286, 14246, 18215, 35615, 36430, 61931, 71230, 123862, 309655, 619310, 1526417, 3052834, 7632085, 15264170, 25949089, 51898178, 129745445, 259490890]

約数ペア:

[(1, 259490890), (2, 129745445), (5, 51898178), (10, 25949089), (17, 15264170), (34, 7632085), (85, 3052834), (170, 1526417), (419, 619310), (838, 309655), (2095, 123862), (3643, 71230), (4190, 61931), (7123, 36430), (7286, 35615), (14246, 18215)]