79990974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20479}}^1$

素因数の和:20525

約数の個数: 48

約数和(自身を含む): 204472320

約数和(自身を除く): 124481346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 20479, 40958, 61437, 122874, 143353, 184311, 286706, 368622, 430059, 634849, 860118, 1269698, 1290177, 1904547, 2580354, 3809094, 4443943, 5713641, 8887886, 11427282, 13331829, 26663658, 39995487, 79990974]

約数ペア:

[(1, 79990974), (2, 39995487), (3, 26663658), (6, 13331829), (7, 11427282), (9, 8887886), (14, 5713641), (18, 4443943), (21, 3809094), (31, 2580354), (42, 1904547), (62, 1290177), (63, 1269698), (93, 860118), (126, 634849), (186, 430059), (217, 368622), (279, 286706), (434, 184311), (558, 143353), (651, 122874), (1302, 61437), (1953, 40958), (3906, 20479)]