27802970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6899}}^1$

素因数の和:6950

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 27838630

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6899, 13798, 34495, 68990, 89687, 179374, 213869, 427738, 448435, 896870, 1069345, 2138690, 2780297, 5560594, 13901485, 27802970]

約数ペア:

[(1, 27802970), (2, 13901485), (5, 5560594), (10, 2780297), (13, 2138690), (26, 1069345), (31, 896870), (62, 448435), (65, 427738), (130, 213869), (155, 179374), (310, 89687), (403, 68990), (806, 34495), (2015, 13798), (4030, 6899)]