87875018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 172523520

約数和(自身を除く): 84648502

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 79, 154, 158, 217, 233, 341, 434, 466, 553, 682, 869, 1106, 1631, 1738, 2387, 2449, 2563, 3262, 4774, 4898, 5126, 6083, 7223, 12166, 14446, 17143, 17941, 18407, 26939, 34286, 35882, 36814, 50561, 53878, 79453, 101122, 128849, 158906, 188573, 202477, 257698, 377146, 404954, 556171, 570617, 1112342, 1141234, 1417339, 2834678, 3994319, 6276787, 7988638, 12553574, 43937509, 87875018]

約数ペア:

[(1, 87875018), (2, 43937509), (7, 12553574), (11, 7988638), (14, 6276787), (22, 3994319), (31, 2834678), (62, 1417339), (77, 1141234), (79, 1112342), (154, 570617), (158, 556171), (217, 404954), (233, 377146), (341, 257698), (434, 202477), (466, 188573), (553, 158906), (682, 128849), (869, 101122), (1106, 79453), (1631, 53878), (1738, 50561), (2387, 36814), (2449, 35882), (2563, 34286), (3262, 26939), (4774, 18407), (4898, 17941), (5126, 17143), (6083, 14446), (7223, 12166)]