1279370015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{15749}}^1$

素因数の和:15983

約数の個数: 32

約数和(自身を含む): 1923264000

約数和(自身を除く): 643893985

約数列:

[1, 5, 7, 11, 35, 55, 77, 211, 385, 1055, 1477, 2321, 7385, 11605, 15749, 16247, 78745, 81235, 110243, 173239, 551215, 866195, 1212673, 3323039, 6063365, 16615195, 23261273, 36553429, 116306365, 182767145, 255874003, 1279370015]

約数ペア:

[(1, 1279370015), (5, 255874003), (7, 182767145), (11, 116306365), (35, 36553429), (55, 23261273), (77, 16615195), (211, 6063365), (385, 3323039), (1055, 1212673), (1477, 866195), (2321, 551215), (7385, 173239), (11605, 110243), (15749, 81235), (16247, 78745)]