198551435

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 57538165

約数列:

[1, 5, 31, 37, 89, 155, 185, 389, 445, 1147, 1945, 2759, 3293, 5735, 12059, 13795, 14393, 16465, 34621, 60295, 71965, 102083, 173105, 446183, 510415, 1073251, 1280977, 2230915, 5366255, 6404885, 39710287, 198551435]

約数ペア:

[(1, 198551435), (5, 39710287), (31, 6404885), (37, 5366255), (89, 2230915), (155, 1280977), (185, 1073251), (389, 510415), (445, 446183), (1147, 173105), (1945, 102083), (2759, 71965), (3293, 60295), (5735, 34621), (12059, 16465), (13795, 14393)]