285161478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 681191496

約数和(自身を除く): 396030018

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 577, 861, 1154, 1681, 1722, 1731, 2009, 3362, 3462, 4018, 4039, 5043, 6027, 8078, 10086, 11767, 12054, 12117, 23534, 23657, 24234, 28273, 35301, 47314, 56546, 70602, 70971, 82369, 84819, 141942, 164738, 165599, 169638, 247107, 331198, 494214, 496797, 969937, 993594, 1159193, 1939874, 2318386, 2909811, 3477579, 5819622, 6789559, 6955158, 13579118, 20368677, 40737354, 47526913, 95053826, 142580739, 285161478]

約数ペア:

[(1, 285161478), (2, 142580739), (3, 95053826), (6, 47526913), (7, 40737354), (14, 20368677), (21, 13579118), (41, 6955158), (42, 6789559), (49, 5819622), (82, 3477579), (98, 2909811), (123, 2318386), (147, 1939874), (246, 1159193), (287, 993594), (294, 969937), (574, 496797), (577, 494214), (861, 331198), (1154, 247107), (1681, 169638), (1722, 165599), (1731, 164738), (2009, 141942), (3362, 84819), (3462, 82369), (4018, 70971), (4039, 70602), (5043, 56546), (6027, 47314), (8078, 35301), (10086, 28273), (11767, 24234), (12054, 23657), (12117, 23534)]