172989.00000000

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 142222080

約数和(自身を除く): 88046724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 443, 474, 516, 711, 774, 886, 948, 1329, 1422, 1548, 1772, 2658, 2844, 3397, 3987, 5316, 6794, 7974, 10191, 13588, 15948, 19049, 20382, 30573, 34997, 38098, 40764, 57147, 61146, 69994, 76196, 104991, 114294, 122292, 139988, 171441, 209982, 228588, 314973, 342882, 419964, 629946, 685764, 1259892, 1504871, 3009742, 4514613, 6019484, 9029226, 13543839, 18058452, 27087678, 54175356]

約数ペア:

[(1, 54175356), (2, 27087678), (3, 18058452), (4, 13543839), (6, 9029226), (9, 6019484), (12, 4514613), (18, 3009742), (36, 1504871), (43, 1259892), (79, 685764), (86, 629946), (129, 419964), (158, 342882), (172, 314973), (237, 228588), (258, 209982), (316, 171441), (387, 139988), (443, 122292), (474, 114294), (516, 104991), (711, 76196), (774, 69994), (886, 61146), (948, 57147), (1329, 40764), (1422, 38098), (1548, 34997), (1772, 30573), (2658, 20382), (2844, 19049), (3397, 15948), (3987, 13588), (5316, 10191), (6794, 7974)]