65517070

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 120268800

約数和(自身を除く): 54751730

約数列:

[1, 2, 5, 10, 79, 158, 239, 347, 395, 478, 694, 790, 1195, 1735, 2390, 3470, 18881, 27413, 37762, 54826, 82933, 94405, 137065, 165866, 188810, 274130, 414665, 829330, 6551707, 13103414, 32758535, 65517070]

約数ペア:

[(1, 65517070), (2, 32758535), (5, 13103414), (10, 6551707), (79, 829330), (158, 414665), (239, 274130), (347, 188810), (395, 165866), (478, 137065), (694, 94405), (790, 82933), (1195, 54826), (1735, 37762), (2390, 27413), (3470, 18881)]