28647890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 27235630

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 3919, 7310, 7838, 19595, 39190, 66623, 133246, 168517, 333115, 337034, 666230, 842585, 1685170, 2864789, 5729578, 14323945, 28647890]

約数ペア:

[(1, 28647890), (2, 14323945), (5, 5729578), (10, 2864789), (17, 1685170), (34, 842585), (43, 666230), (85, 337034), (86, 333115), (170, 168517), (215, 133246), (430, 66623), (731, 39190), (1462, 19595), (3655, 7838), (3919, 7310)]