128257633

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 158976000

約数和(自身を除く): 30718367

約数列:

[1, 7, 29, 31, 89, 203, 217, 229, 623, 899, 1603, 2581, 2759, 6293, 6641, 7099, 18067, 19313, 20381, 46487, 49693, 80011, 142667, 205871, 560077, 591049, 631811, 1441097, 4137343, 4422677, 18322519, 128257633]

約数ペア:

[(1, 128257633), (7, 18322519), (29, 4422677), (31, 4137343), (89, 1441097), (203, 631811), (217, 591049), (229, 560077), (623, 205871), (899, 142667), (1603, 80011), (2581, 49693), (2759, 46487), (6293, 20381), (6641, 19313), (7099, 18067)]