81878478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 184011264

約数和(自身を除く): 102132786

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 101, 142, 173, 202, 213, 303, 346, 426, 519, 606, 781, 1038, 1111, 1562, 1903, 2222, 2343, 3333, 3806, 4686, 5709, 6666, 7171, 11418, 12283, 14342, 17473, 21513, 24566, 34946, 36849, 43026, 52419, 73698, 78881, 104838, 135113, 157762, 192203, 236643, 270226, 384406, 405339, 473286, 576609, 810678, 1153218, 1240583, 2481166, 3721749, 7443498, 13646413, 27292826, 40939239, 81878478]

約数ペア:

[(1, 81878478), (2, 40939239), (3, 27292826), (6, 13646413), (11, 7443498), (22, 3721749), (33, 2481166), (66, 1240583), (71, 1153218), (101, 810678), (142, 576609), (173, 473286), (202, 405339), (213, 384406), (303, 270226), (346, 236643), (426, 192203), (519, 157762), (606, 135113), (781, 104838), (1038, 78881), (1111, 73698), (1562, 52419), (1903, 43026), (2222, 36849), (2343, 34946), (3333, 24566), (3806, 21513), (4686, 17473), (5709, 14342), (6666, 12283), (7171, 11418)]