81206664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43943}}^1$

素因数の和:43970

約数の個数: 64

約数和(自身を含む): 253117440

約数和(自身を除く): 171910776

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 43943, 87886, 131829, 175772, 263658, 307601, 351544, 483373, 527316, 615202, 922803, 966746, 1054632, 1230404, 1450119, 1845606, 1933492, 2460808, 2900238, 3383611, 3691212, 3866984, 5800476, 6767222, 7382424, 10150833, 11600952, 13534444, 20301666, 27068888, 40603332, 81206664]

約数ペア:

[(1, 81206664), (2, 40603332), (3, 27068888), (4, 20301666), (6, 13534444), (7, 11600952), (8, 10150833), (11, 7382424), (12, 6767222), (14, 5800476), (21, 3866984), (22, 3691212), (24, 3383611), (28, 2900238), (33, 2460808), (42, 1933492), (44, 1845606), (56, 1450119), (66, 1230404), (77, 1054632), (84, 966746), (88, 922803), (132, 615202), (154, 527316), (168, 483373), (231, 351544), (264, 307601), (308, 263658), (462, 175772), (616, 131829), (924, 87886), (1848, 43943)]