271997570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{4723}}^1$

素因数の和:5186

約数の個数: 32

約数和(自身を含む): 528558912

約数和(自身を除く): 256561342

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 2215, 4430, 4723, 5759, 9446, 11518, 23615, 28795, 47230, 57590, 61399, 122798, 306995, 613990, 2092289, 4184578, 10461445, 20922890, 27199757, 54399514, 135998785, 271997570]

約数ペア:

[(1, 271997570), (2, 135998785), (5, 54399514), (10, 27199757), (13, 20922890), (26, 10461445), (65, 4184578), (130, 2092289), (443, 613990), (886, 306995), (2215, 122798), (4430, 61399), (4723, 57590), (5759, 47230), (9446, 28795), (11518, 23615)]