251265872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109819}}^1$

素因数の和:109851

約数の個数: 40

約数和(自身を含む): 571942560

約数和(自身を除く): 320676688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 109819, 219638, 439276, 878552, 1208009, 1427647, 1757104, 2416018, 2855294, 4832036, 5710588, 9664072, 11421176, 15704117, 19328144, 22842352, 31408234, 62816468, 125632936, 251265872]

約数ペア:

[(1, 251265872), (2, 125632936), (4, 62816468), (8, 31408234), (11, 22842352), (13, 19328144), (16, 15704117), (22, 11421176), (26, 9664072), (44, 5710588), (52, 4832036), (88, 2855294), (104, 2416018), (143, 1757104), (176, 1427647), (208, 1208009), (286, 878552), (572, 439276), (1144, 219638), (2288, 109819)]