81857584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1171}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 168725808

約数和(自身を除く): 86868224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 257, 272, 514, 1028, 1171, 2056, 2342, 4112, 4369, 4684, 8738, 9368, 17476, 18736, 19907, 34952, 39814, 69904, 79628, 159256, 300947, 318512, 601894, 1203788, 2407576, 4815152, 5116099, 10232198, 20464396, 40928792, 81857584]

約数ペア:

[(1, 81857584), (2, 40928792), (4, 20464396), (8, 10232198), (16, 5116099), (17, 4815152), (34, 2407576), (68, 1203788), (136, 601894), (257, 318512), (272, 300947), (514, 159256), (1028, 79628), (1171, 69904), (2056, 39814), (2342, 34952), (4112, 19907), (4369, 18736), (4684, 17476), (8738, 9368)]