28189930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 53010000

約数和(自身を除く): 24820070

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 1249, 2257, 2498, 4514, 6245, 11285, 12490, 22570, 46213, 76189, 92426, 152378, 231065, 380945, 462130, 761890, 2818993, 5637986, 14094965, 28189930]

約数ペア:

[(1, 28189930), (2, 14094965), (5, 5637986), (10, 2818993), (37, 761890), (61, 462130), (74, 380945), (122, 231065), (185, 152378), (305, 92426), (370, 76189), (610, 46213), (1249, 22570), (2257, 12490), (2498, 11285), (4514, 6245)]