28709198

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 53581824

約数和(自身を除く): 24872626

約数列:

[1, 2, 7, 14, 23, 46, 47, 49, 94, 98, 161, 271, 322, 329, 542, 658, 1081, 1127, 1897, 2162, 2254, 2303, 3794, 4606, 6233, 7567, 12466, 12737, 13279, 15134, 25474, 26558, 43631, 52969, 87262, 89159, 105938, 178318, 292951, 305417, 585902, 610834, 624113, 1248226, 2050657, 4101314, 14354599, 28709198]

約数ペア:

[(1, 28709198), (2, 14354599), (7, 4101314), (14, 2050657), (23, 1248226), (46, 624113), (47, 610834), (49, 585902), (94, 305417), (98, 292951), (161, 178318), (271, 105938), (322, 89159), (329, 87262), (542, 52969), (658, 43631), (1081, 26558), (1127, 25474), (1897, 15134), (2162, 13279), (2254, 12737), (2303, 12466), (3794, 7567), (4606, 6233)]