66897951.000000000

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{3943}}^1$

素因数の和:3981

約数の個数: 108

約数和(自身を含む): 429608088

約数和(自身を除く): 292202424

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 726, 792, 968, 1056, 1089, 1452, 1584, 1936, 2178, 2904, 3168, 3872, 3943, 4356, 5808, 7886, 8712, 11616, 11829, 15772, 17424, 23658, 31544, 34848, 35487, 43373, 47316, 63088, 70974, 86746, 94632, 126176, 130119, 141948, 173492, 189264, 260238, 283896, 346984, 378528, 390357, 477103, 520476, 567792, 693968, 780714, 954206, 1040952, 1135584, 1387936, 1431309, 1561428, 1908412, 2081904, 2862618, 3122856, 3816824, 4163808, 4293927, 5725236, 6245712, 7633648, 8587854, 11450472, 12491424, 15267296, 17175708, 22900944, 34351416, 45801888, 68702832, 137405664]

約数ペア:

[(1, 137405664), (2, 68702832), (3, 45801888), (4, 34351416), (6, 22900944), (8, 17175708), (9, 15267296), (11, 12491424), (12, 11450472), (16, 8587854), (18, 7633648), (22, 6245712), (24, 5725236), (32, 4293927), (33, 4163808), (36, 3816824), (44, 3122856), (48, 2862618), (66, 2081904), (72, 1908412), (88, 1561428), (96, 1431309), (99, 1387936), (121, 1135584), (132, 1040952), (144, 954206), (176, 780714), (198, 693968), (242, 567792), (264, 520476), (288, 477103), (352, 390357), (363, 378528), (396, 346984), (484, 283896), (528, 260238), (726, 189264), (792, 173492), (968, 141948), (1056, 130119), (1089, 126176), (1452, 94632), (1584, 86746), (1936, 70974), (2178, 63088), (2904, 47316), (3168, 43373), (3872, 35487), (3943, 34848), (4356, 31544), (5808, 23658), (7886, 17424), (8712, 15772), (11616, 11829)]