199895843

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7803

約数の個数: 24

約数和(自身を含む): 254185344

約数和(自身を除く): 54289501

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 833, 1519, 3689, 7741, 25823, 54187, 131597, 239971, 379309, 921179, 1679797, 4079507, 6448253, 11758579, 28556549, 199895843]

約数ペア:

[(1, 199895843), (7, 28556549), (17, 11758579), (31, 6448253), (49, 4079507), (119, 1679797), (217, 921179), (527, 379309), (833, 239971), (1519, 131597), (3689, 54187), (7741, 25823)]