78171808

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 72

約数和(自身を含む): 182293524

約数和(自身を除く): 104121716

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 416, 484, 572, 968, 1144, 1553, 1573, 1936, 2288, 3106, 3146, 3872, 4576, 6212, 6292, 12424, 12584, 17083, 20189, 24848, 25168, 34166, 40378, 49696, 50336, 68332, 80756, 136664, 161512, 187913, 222079, 273328, 323024, 375826, 444158, 546656, 646048, 751652, 888316, 1503304, 1776632, 2442869, 3006608, 3553264, 4885738, 6013216, 7106528, 9771476, 19542952, 39085904, 78171808]

約数ペア:

[(1, 78171808), (2, 39085904), (4, 19542952), (8, 9771476), (11, 7106528), (13, 6013216), (16, 4885738), (22, 3553264), (26, 3006608), (32, 2442869), (44, 1776632), (52, 1503304), (88, 888316), (104, 751652), (121, 646048), (143, 546656), (176, 444158), (208, 375826), (242, 323024), (286, 273328), (352, 222079), (416, 187913), (484, 161512), (572, 136664), (968, 80756), (1144, 68332), (1553, 50336), (1573, 49696), (1936, 40378), (2288, 34166), (3106, 25168), (3146, 24848), (3872, 20189), (4576, 17083), (6212, 12584), (6292, 12424)]