280127628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16451}}^1$

素因数の和:16515

約数の個数: 72

約数和(自身を含む): 790485696

約数和(自身を除く): 510358068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1419, 1548, 1892, 2838, 4257, 5676, 8514, 16451, 17028, 32902, 49353, 65804, 98706, 148059, 180961, 197412, 296118, 361922, 542883, 592236, 707393, 723844, 1085766, 1414786, 1628649, 2122179, 2171532, 2829572, 3257298, 4244358, 6366537, 6514596, 7781323, 8488716, 12733074, 15562646, 23343969, 25466148, 31125292, 46687938, 70031907, 93375876, 140063814, 280127628]

約数ペア:

[(1, 280127628), (2, 140063814), (3, 93375876), (4, 70031907), (6, 46687938), (9, 31125292), (11, 25466148), (12, 23343969), (18, 15562646), (22, 12733074), (33, 8488716), (36, 7781323), (43, 6514596), (44, 6366537), (66, 4244358), (86, 3257298), (99, 2829572), (129, 2171532), (132, 2122179), (172, 1628649), (198, 1414786), (258, 1085766), (387, 723844), (396, 707393), (473, 592236), (516, 542883), (774, 361922), (946, 296118), (1419, 197412), (1548, 180961), (1892, 148059), (2838, 98706), (4257, 65804), (5676, 49353), (8514, 32902), (16451, 17028)]