81394938

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 183549600

約数和(自身を除く): 102154662

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 211, 261, 422, 522, 633, 739, 1266, 1478, 1899, 2217, 3798, 4434, 6119, 6651, 12238, 13302, 18357, 21431, 36714, 42862, 55071, 64293, 110142, 128586, 155929, 192879, 311858, 385758, 467787, 935574, 1403361, 2806722, 4521941, 9043882, 13565823, 27131646, 40697469, 81394938]

約数ペア:

[(1, 81394938), (2, 40697469), (3, 27131646), (6, 13565823), (9, 9043882), (18, 4521941), (29, 2806722), (58, 1403361), (87, 935574), (174, 467787), (211, 385758), (261, 311858), (422, 192879), (522, 155929), (633, 128586), (739, 110142), (1266, 64293), (1478, 55071), (1899, 42862), (2217, 36714), (3798, 21431), (4434, 18357), (6119, 13302), (6651, 12238)]