81620706

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 181149696

約数和(自身を除く): 99528990

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 83, 93, 102, 166, 186, 249, 311, 498, 527, 622, 933, 1054, 1411, 1581, 1866, 2573, 2822, 3162, 4233, 5146, 5287, 7719, 8466, 9641, 10574, 15438, 15861, 19282, 25813, 28923, 31722, 43741, 51626, 57846, 77439, 87482, 131223, 154878, 163897, 262446, 327794, 438821, 491691, 800203, 877642, 983382, 1316463, 1600406, 2400609, 2632926, 4801218, 13603451, 27206902, 40810353, 81620706]

約数ペア:

[(1, 81620706), (2, 40810353), (3, 27206902), (6, 13603451), (17, 4801218), (31, 2632926), (34, 2400609), (51, 1600406), (62, 1316463), (83, 983382), (93, 877642), (102, 800203), (166, 491691), (186, 438821), (249, 327794), (311, 262446), (498, 163897), (527, 154878), (622, 131223), (933, 87482), (1054, 77439), (1411, 57846), (1581, 51626), (1866, 43741), (2573, 31722), (2822, 28923), (3162, 25813), (4233, 19282), (5146, 15861), (5287, 15438), (7719, 10574), (8466, 9641)]