81812738

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1987}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 149433984

約数和(自身を除く): 67621246

約数列:

[1, 2, 7, 14, 17, 34, 119, 173, 238, 346, 1211, 1987, 2422, 2941, 3974, 5882, 13909, 20587, 27818, 33779, 41174, 67558, 236453, 343751, 472906, 687502, 2406257, 4812514, 5843767, 11687534, 40906369, 81812738]

約数ペア:

[(1, 81812738), (2, 40906369), (7, 11687534), (14, 5843767), (17, 4812514), (34, 2406257), (119, 687502), (173, 472906), (238, 343751), (346, 236453), (1211, 67558), (1987, 41174), (2422, 33779), (2941, 27818), (3974, 20587), (5882, 13909)]