218198065

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 272305152

約数和(自身を除く): 54107087

約数列:

[1, 5, 37, 127, 185, 251, 635, 1255, 1369, 4699, 6845, 9287, 23495, 31877, 46435, 159385, 173863, 343619, 869315, 1179449, 1718095, 5897245, 43639613, 218198065]

約数ペア:

[(1, 218198065), (5, 43639613), (37, 5897245), (127, 1718095), (185, 1179449), (251, 869315), (635, 343619), (1255, 173863), (1369, 159385), (4699, 46435), (6845, 31877), (9287, 23495)]