638990430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{9811}}^1$

素因数の和:10001

約数の個数: 64

約数和(自身を含む): 1661603328

約数和(自身を除く): 1022612898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 167, 195, 334, 390, 501, 835, 1002, 1670, 2171, 2505, 4342, 5010, 6513, 9811, 10855, 13026, 19622, 21710, 29433, 32565, 49055, 58866, 65130, 98110, 127543, 147165, 255086, 294330, 382629, 637715, 765258, 1275430, 1638437, 1913145, 3276874, 3826290, 4915311, 8192185, 9830622, 16384370, 21299681, 24576555, 42599362, 49153110, 63899043, 106498405, 127798086, 212996810, 319495215, 638990430]

約数ペア:

[(1, 638990430), (2, 319495215), (3, 212996810), (5, 127798086), (6, 106498405), (10, 63899043), (13, 49153110), (15, 42599362), (26, 24576555), (30, 21299681), (39, 16384370), (65, 9830622), (78, 8192185), (130, 4915311), (167, 3826290), (195, 3276874), (334, 1913145), (390, 1638437), (501, 1275430), (835, 765258), (1002, 637715), (1670, 382629), (2171, 294330), (2505, 255086), (4342, 147165), (5010, 127543), (6513, 98110), (9811, 65130), (10855, 58866), (13026, 49055), (19622, 32565), (21710, 29433)]