216320356

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{249217}}^1$

素因数の和:249259

約数の個数: 24

約数和(自身を含む): 446598656

約数和(自身を除く): 230278300

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 249217, 498434, 996868, 1744519, 3489038, 6978076, 7725727, 15451454, 30902908, 54080089, 108160178, 216320356]

約数ペア:

[(1, 216320356), (2, 108160178), (4, 54080089), (7, 30902908), (14, 15451454), (28, 7725727), (31, 6978076), (62, 3489038), (124, 1744519), (217, 996868), (434, 498434), (868, 249217)]