81185508

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 211035552

約数和(自身を除く): 129850044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 97, 134, 194, 201, 268, 291, 347, 388, 402, 582, 603, 694, 804, 873, 1041, 1164, 1206, 1388, 1746, 2082, 2412, 3123, 3492, 4164, 6246, 6499, 12492, 12998, 19497, 23249, 25996, 33659, 38994, 46498, 58491, 67318, 69747, 77988, 92996, 100977, 116982, 134636, 139494, 201954, 209241, 233964, 278988, 302931, 403908, 418482, 605862, 836964, 1211724, 2255153, 4510306, 6765459, 9020612, 13530918, 20296377, 27061836, 40592754, 81185508]

約数ペア:

[(1, 81185508), (2, 40592754), (3, 27061836), (4, 20296377), (6, 13530918), (9, 9020612), (12, 6765459), (18, 4510306), (36, 2255153), (67, 1211724), (97, 836964), (134, 605862), (194, 418482), (201, 403908), (268, 302931), (291, 278988), (347, 233964), (388, 209241), (402, 201954), (582, 139494), (603, 134636), (694, 116982), (804, 100977), (873, 92996), (1041, 77988), (1164, 69747), (1206, 67318), (1388, 58491), (1746, 46498), (2082, 38994), (2412, 33659), (3123, 25996), (3492, 23249), (4164, 19497), (6246, 12998), (6499, 12492)]