81704658

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 202608000

約数和(自身を除く): 120903342

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 37, 42, 49, 58, 74, 87, 98, 111, 147, 174, 203, 222, 259, 294, 343, 406, 518, 609, 686, 777, 1029, 1073, 1218, 1369, 1421, 1554, 1813, 2058, 2146, 2738, 2842, 3219, 3626, 4107, 4263, 5439, 6438, 7511, 8214, 8526, 9583, 9947, 10878, 12691, 15022, 19166, 19894, 22533, 25382, 28749, 29841, 38073, 39701, 45066, 52577, 57498, 59682, 67081, 76146, 79402, 105154, 119103, 134162, 157731, 201243, 238206, 277907, 315462, 368039, 402486, 469567, 555814, 736078, 833721, 939134, 1104117, 1408701, 1667442, 1945349, 2208234, 2817402, 3890698, 5836047, 11672094, 13617443, 27234886, 40852329, 81704658]

約数ペア:

[(1, 81704658), (2, 40852329), (3, 27234886), (6, 13617443), (7, 11672094), (14, 5836047), (21, 3890698), (29, 2817402), (37, 2208234), (42, 1945349), (49, 1667442), (58, 1408701), (74, 1104117), (87, 939134), (98, 833721), (111, 736078), (147, 555814), (174, 469567), (203, 402486), (222, 368039), (259, 315462), (294, 277907), (343, 238206), (406, 201243), (518, 157731), (609, 134162), (686, 119103), (777, 105154), (1029, 79402), (1073, 76146), (1218, 67081), (1369, 59682), (1421, 57498), (1554, 52577), (1813, 45066), (2058, 39701), (2146, 38073), (2738, 29841), (2842, 28749), (3219, 25382), (3626, 22533), (4107, 19894), (4263, 19166), (5439, 15022), (6438, 12691), (7511, 10878), (8214, 9947), (8526, 9583)]