221465128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{15919}}^1$

素因数の和:16009

約数の個数: 32

約数和(自身を含む): 435571200

約数和(自身を除く): 214106072

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1739, 3478, 6956, 13912, 15919, 31838, 63676, 127352, 589003, 748193, 1178006, 1496386, 2356012, 2992772, 4712024, 5985544, 27683141, 55366282, 110732564, 221465128]

約数ペア:

[(1, 221465128), (2, 110732564), (4, 55366282), (8, 27683141), (37, 5985544), (47, 4712024), (74, 2992772), (94, 2356012), (148, 1496386), (188, 1178006), (296, 748193), (376, 589003), (1739, 127352), (3478, 63676), (6956, 31838), (13912, 15919)]