215494328

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89491}}^1$

素因数の和:89547

約数の個数: 32

約数和(自身を含む): 472517760

約数和(自身を除く): 257023432

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 89491, 178982, 357964, 626437, 715928, 1252874, 2505748, 3848113, 5011496, 7696226, 15392452, 26936791, 30784904, 53873582, 107747164, 215494328]

約数ペア:

[(1, 215494328), (2, 107747164), (4, 53873582), (7, 30784904), (8, 26936791), (14, 15392452), (28, 7696226), (43, 5011496), (56, 3848113), (86, 2505748), (172, 1252874), (301, 715928), (344, 626437), (602, 357964), (1204, 178982), (2408, 89491)]