25646478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 61254144

約数和(自身を除く): 35607666

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 421, 426, 429, 781, 842, 858, 923, 1263, 1562, 1846, 2343, 2526, 2769, 4631, 4686, 5473, 5538, 9262, 10153, 10946, 13893, 16419, 20306, 27786, 29891, 30459, 32838, 59782, 60203, 60918, 89673, 120406, 179346, 180609, 328801, 361218, 388583, 657602, 777166, 986403, 1165749, 1972806, 2331498, 4274413, 8548826, 12823239, 25646478]

約数ペア:

[(1, 25646478), (2, 12823239), (3, 8548826), (6, 4274413), (11, 2331498), (13, 1972806), (22, 1165749), (26, 986403), (33, 777166), (39, 657602), (66, 388583), (71, 361218), (78, 328801), (142, 180609), (143, 179346), (213, 120406), (286, 89673), (421, 60918), (426, 60203), (429, 59782), (781, 32838), (842, 30459), (858, 29891), (923, 27786), (1263, 20306), (1562, 16419), (1846, 13893), (2343, 10946), (2526, 10153), (2769, 9262), (4631, 5538), (4686, 5473)]