215462910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{552469}}^1$

素因数の和:552492

約数の個数: 32

約数和(自身を含む): 556889760

約数和(自身を除く): 341426850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 552469, 1104938, 1657407, 2762345, 3314814, 5524690, 7182097, 8287035, 14364194, 16574070, 21546291, 35910485, 43092582, 71820970, 107731455, 215462910]

約数ペア:

[(1, 215462910), (2, 107731455), (3, 71820970), (5, 43092582), (6, 35910485), (10, 21546291), (13, 16574070), (15, 14364194), (26, 8287035), (30, 7182097), (39, 5524690), (65, 3314814), (78, 2762345), (130, 1657407), (195, 1104938), (390, 552469)]