128751448

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121007}}^1$

素因数の和:121039

約数の個数: 32

約数和(自身を含む): 290419200

約数和(自身を除く): 161667752

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 121007, 242014, 484028, 847049, 968056, 1694098, 2299133, 3388196, 4598266, 6776392, 9196532, 16093931, 18393064, 32187862, 64375724, 128751448]

約数ペア:

[(1, 128751448), (2, 64375724), (4, 32187862), (7, 18393064), (8, 16093931), (14, 9196532), (19, 6776392), (28, 4598266), (38, 3388196), (56, 2299133), (76, 1694098), (133, 968056), (152, 847049), (266, 484028), (532, 242014), (1064, 121007)]