31657210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243517}}^1$

素因数の和:243537

約数の個数: 16

約数和(自身を含む): 61366536

約数和(自身を除く): 29709326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 243517, 487034, 1217585, 2435170, 3165721, 6331442, 15828605, 31657210]

約数ペア:

[(1, 31657210), (2, 15828605), (5, 6331442), (10, 3165721), (13, 2435170), (26, 1217585), (65, 487034), (130, 243517)]