78920661

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 114739200

約数和(自身を除く): 35818539

約数列:

[1, 3, 19, 47, 57, 89, 141, 267, 331, 893, 993, 1691, 2679, 4183, 5073, 6289, 12549, 15557, 18867, 29459, 46671, 79477, 88377, 238431, 295583, 559721, 886749, 1384573, 1679163, 4153719, 26306887, 78920661]

約数ペア:

[(1, 78920661), (3, 26306887), (19, 4153719), (47, 1679163), (57, 1384573), (89, 886749), (141, 559721), (267, 295583), (331, 238431), (893, 88377), (993, 79477), (1691, 46671), (2679, 29459), (4183, 18867), (5073, 15557), (6289, 12549)]