81857652

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 210978432

約数和(自身を除く): 129120780

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 67, 68, 102, 106, 113, 134, 159, 201, 204, 212, 226, 268, 318, 339, 402, 452, 636, 678, 804, 901, 1139, 1356, 1802, 1921, 2278, 2703, 3417, 3551, 3604, 3842, 4556, 5406, 5763, 5989, 6834, 7102, 7571, 7684, 10653, 10812, 11526, 11978, 13668, 14204, 15142, 17967, 21306, 22713, 23052, 23956, 30284, 35934, 42612, 45426, 60367, 71868, 90852, 101813, 120734, 128707, 181101, 203626, 241468, 257414, 305439, 362202, 386121, 401263, 407252, 514828, 610878, 724404, 772242, 802526, 1203789, 1221756, 1544484, 1605052, 2407578, 4815156, 6821471, 13642942, 20464413, 27285884, 40928826, 81857652]

約数ペア:

[(1, 81857652), (2, 40928826), (3, 27285884), (4, 20464413), (6, 13642942), (12, 6821471), (17, 4815156), (34, 2407578), (51, 1605052), (53, 1544484), (67, 1221756), (68, 1203789), (102, 802526), (106, 772242), (113, 724404), (134, 610878), (159, 514828), (201, 407252), (204, 401263), (212, 386121), (226, 362202), (268, 305439), (318, 257414), (339, 241468), (402, 203626), (452, 181101), (636, 128707), (678, 120734), (804, 101813), (901, 90852), (1139, 71868), (1356, 60367), (1802, 45426), (1921, 42612), (2278, 35934), (2703, 30284), (3417, 23956), (3551, 23052), (3604, 22713), (3842, 21306), (4556, 17967), (5406, 15142), (5763, 14204), (5989, 13668), (6834, 11978), (7102, 11526), (7571, 10812), (7684, 10653)]