8642556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 24002160

約数和(自身を除く): 15359604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 313, 354, 468, 531, 626, 708, 767, 939, 1062, 1252, 1534, 1878, 2124, 2301, 2817, 3068, 3756, 4069, 4602, 5634, 6903, 8138, 9204, 11268, 12207, 13806, 16276, 18467, 24414, 27612, 36621, 36934, 48828, 55401, 73242, 73868, 110802, 146484, 166203, 221604, 240071, 332406, 480142, 664812, 720213, 960284, 1440426, 2160639, 2880852, 4321278, 8642556]

約数ペア:

[(1, 8642556), (2, 4321278), (3, 2880852), (4, 2160639), (6, 1440426), (9, 960284), (12, 720213), (13, 664812), (18, 480142), (26, 332406), (36, 240071), (39, 221604), (52, 166203), (59, 146484), (78, 110802), (117, 73868), (118, 73242), (156, 55401), (177, 48828), (234, 36934), (236, 36621), (313, 27612), (354, 24414), (468, 18467), (531, 16276), (626, 13806), (708, 12207), (767, 11268), (939, 9204), (1062, 8138), (1252, 6903), (1534, 5634), (1878, 4602), (2124, 4069), (2301, 3756), (2817, 3068)]