161407616

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 333839880

約数和(自身を除く): 172432264

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 173, 197, 296, 346, 394, 592, 692, 788, 1184, 1384, 1576, 2368, 2768, 3152, 4736, 5536, 6304, 6401, 7289, 11072, 12608, 12802, 14578, 22144, 25216, 25604, 29156, 34081, 51208, 58312, 68162, 102416, 116624, 136324, 204832, 233248, 272648, 409664, 466496, 545296, 819328, 932992, 1090592, 1260997, 2181184, 2521994, 4362368, 5043988, 10087976, 20175952, 40351904, 80703808, 161407616]

約数ペア:

[(1, 161407616), (2, 80703808), (4, 40351904), (8, 20175952), (16, 10087976), (32, 5043988), (37, 4362368), (64, 2521994), (74, 2181184), (128, 1260997), (148, 1090592), (173, 932992), (197, 819328), (296, 545296), (346, 466496), (394, 409664), (592, 272648), (692, 233248), (788, 204832), (1184, 136324), (1384, 116624), (1576, 102416), (2368, 68162), (2768, 58312), (3152, 51208), (4736, 34081), (5536, 29156), (6304, 25604), (6401, 25216), (7289, 22144), (11072, 14578), (12608, 12802)]