81869746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 150546816

約数和(自身を除く): 68677070

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 167, 194, 266, 334, 361, 679, 722, 1169, 1358, 1843, 2338, 2527, 3173, 3686, 5054, 6346, 12901, 16199, 22211, 25802, 32398, 35017, 44422, 60287, 70034, 113393, 120574, 226786, 245119, 307781, 422009, 490238, 615562, 844018, 2154467, 4308934, 5847839, 11695678, 40934873, 81869746]

約数ペア:

[(1, 81869746), (2, 40934873), (7, 11695678), (14, 5847839), (19, 4308934), (38, 2154467), (97, 844018), (133, 615562), (167, 490238), (194, 422009), (266, 307781), (334, 245119), (361, 226786), (679, 120574), (722, 113393), (1169, 70034), (1358, 60287), (1843, 44422), (2338, 35017), (2527, 32398), (3173, 25802), (3686, 22211), (5054, 16199), (6346, 12901)]