31491738

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 76602240

約数和(自身を除く): 45110502

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 43, 46, 58, 61, 69, 86, 87, 122, 129, 138, 174, 183, 207, 258, 261, 366, 387, 414, 522, 549, 667, 774, 989, 1098, 1247, 1334, 1403, 1769, 1978, 2001, 2494, 2623, 2806, 2967, 3538, 3741, 4002, 4209, 5246, 5307, 5934, 6003, 7482, 7869, 8418, 8901, 10614, 11223, 12006, 12627, 15738, 15921, 17802, 22446, 23607, 25254, 28681, 31842, 40687, 47214, 57362, 60329, 76067, 81374, 86043, 120658, 122061, 152134, 172086, 180987, 228201, 244122, 258129, 361974, 366183, 456402, 516258, 542961, 684603, 732366, 1085922, 1369206, 1749541, 3499082, 5248623, 10497246, 15745869, 31491738]

約数ペア:

[(1, 31491738), (2, 15745869), (3, 10497246), (6, 5248623), (9, 3499082), (18, 1749541), (23, 1369206), (29, 1085922), (43, 732366), (46, 684603), (58, 542961), (61, 516258), (69, 456402), (86, 366183), (87, 361974), (122, 258129), (129, 244122), (138, 228201), (174, 180987), (183, 172086), (207, 152134), (258, 122061), (261, 120658), (366, 86043), (387, 81374), (414, 76067), (522, 60329), (549, 57362), (667, 47214), (774, 40687), (989, 31842), (1098, 28681), (1247, 25254), (1334, 23607), (1403, 22446), (1769, 17802), (1978, 15921), (2001, 15738), (2494, 12627), (2623, 12006), (2806, 11223), (2967, 10614), (3538, 8901), (3741, 8418), (4002, 7869), (4209, 7482), (5246, 6003), (5307, 5934)]