28826770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 62067456

約数和(自身を除く): 33240686

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 61, 70, 86, 122, 157, 215, 301, 305, 314, 427, 430, 602, 610, 785, 854, 1099, 1505, 1570, 2135, 2198, 2623, 3010, 4270, 5246, 5495, 6751, 9577, 10990, 13115, 13502, 18361, 19154, 26230, 33755, 36722, 47257, 47885, 67039, 67510, 91805, 94514, 95770, 134078, 183610, 236285, 335195, 411811, 472570, 670390, 823622, 2059055, 2882677, 4118110, 5765354, 14413385, 28826770]

約数ペア:

[(1, 28826770), (2, 14413385), (5, 5765354), (7, 4118110), (10, 2882677), (14, 2059055), (35, 823622), (43, 670390), (61, 472570), (70, 411811), (86, 335195), (122, 236285), (157, 183610), (215, 134078), (301, 95770), (305, 94514), (314, 91805), (427, 67510), (430, 67039), (602, 47885), (610, 47257), (785, 36722), (854, 33755), (1099, 26230), (1505, 19154), (1570, 18361), (2135, 13502), (2198, 13115), (2623, 10990), (3010, 9577), (4270, 6751), (5246, 5495)]