221618188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3329}}^1$

素因数の和:3450

約数の個数: 48

約数和(自身を含む): 453146400

約数和(自身を除く): 231528212

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 356, 374, 748, 979, 1513, 1958, 3026, 3329, 3916, 6052, 6658, 13316, 16643, 33286, 36619, 56593, 66572, 73238, 113186, 146476, 226372, 296281, 592562, 622523, 1185124, 1245046, 2490092, 3259091, 5036777, 6518182, 10073554, 13036364, 20147108, 55404547, 110809094, 221618188]

約数ペア:

[(1, 221618188), (2, 110809094), (4, 55404547), (11, 20147108), (17, 13036364), (22, 10073554), (34, 6518182), (44, 5036777), (68, 3259091), (89, 2490092), (178, 1245046), (187, 1185124), (356, 622523), (374, 592562), (748, 296281), (979, 226372), (1513, 146476), (1958, 113186), (3026, 73238), (3329, 66572), (3916, 56593), (6052, 36619), (6658, 33286), (13316, 16643)]