128111648

素因数分解:

$2^5\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2393}}^1$

素因数の和:2649

約数の個数: 48

約数和(自身を含む): 289578240

約数和(自身を除く): 161466592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 239, 478, 956, 1673, 1912, 2393, 3346, 3824, 4786, 6692, 7648, 9572, 13384, 16751, 19144, 26768, 33502, 38288, 53536, 67004, 76576, 134008, 268016, 536032, 571927, 1143854, 2287708, 4003489, 4575416, 8006978, 9150832, 16013956, 18301664, 32027912, 64055824, 128111648]

約数ペア:

[(1, 128111648), (2, 64055824), (4, 32027912), (7, 18301664), (8, 16013956), (14, 9150832), (16, 8006978), (28, 4575416), (32, 4003489), (56, 2287708), (112, 1143854), (224, 571927), (239, 536032), (478, 268016), (956, 134008), (1673, 76576), (1912, 67004), (2393, 53536), (3346, 38288), (3824, 33502), (4786, 26768), (6692, 19144), (7648, 16751), (9572, 13384)]