15642788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 18105052

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 557, 826, 1003, 1114, 1652, 2006, 2228, 3899, 4012, 7021, 7798, 9469, 14042, 15596, 18938, 28084, 32863, 37876, 65726, 66283, 131452, 132566, 230041, 265132, 460082, 558671, 920164, 1117342, 2234684, 3910697, 7821394, 15642788]

約数ペア:

[(1, 15642788), (2, 7821394), (4, 3910697), (7, 2234684), (14, 1117342), (17, 920164), (28, 558671), (34, 460082), (59, 265132), (68, 230041), (118, 132566), (119, 131452), (236, 66283), (238, 65726), (413, 37876), (476, 32863), (557, 28084), (826, 18938), (1003, 15596), (1114, 14042), (1652, 9469), (2006, 7798), (2228, 7021), (3899, 4012)]