81204804

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 210738528

約数和(自身を除く): 129533724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 131, 134, 201, 257, 262, 268, 393, 402, 514, 524, 603, 771, 786, 804, 1028, 1179, 1206, 1542, 1572, 2313, 2358, 2412, 3084, 4626, 4716, 8777, 9252, 17219, 17554, 26331, 33667, 34438, 35108, 51657, 52662, 67334, 68876, 78993, 101001, 103314, 105324, 134668, 154971, 157986, 202002, 206628, 303003, 309942, 315972, 404004, 606006, 619884, 1212012, 2255689, 4511378, 6767067, 9022756, 13534134, 20301201, 27068268, 40602402, 81204804]

約数ペア:

[(1, 81204804), (2, 40602402), (3, 27068268), (4, 20301201), (6, 13534134), (9, 9022756), (12, 6767067), (18, 4511378), (36, 2255689), (67, 1212012), (131, 619884), (134, 606006), (201, 404004), (257, 315972), (262, 309942), (268, 303003), (393, 206628), (402, 202002), (514, 157986), (524, 154971), (603, 134668), (771, 105324), (786, 103314), (804, 101001), (1028, 78993), (1179, 68876), (1206, 67334), (1542, 52662), (1572, 51657), (2313, 35108), (2358, 34438), (2412, 33667), (3084, 26331), (4626, 17554), (4716, 17219), (8777, 9252)]