81191604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 213950464

約数和(自身を除く): 132758860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 103, 124, 156, 163, 186, 206, 309, 326, 372, 403, 412, 489, 618, 652, 806, 978, 1209, 1236, 1339, 1612, 1956, 2119, 2418, 2678, 3193, 4017, 4238, 4836, 5053, 5356, 6357, 6386, 8034, 8476, 9579, 10106, 12714, 12772, 15159, 16068, 16789, 19158, 20212, 25428, 30318, 33578, 38316, 41509, 50367, 60636, 65689, 67156, 83018, 100734, 124527, 131378, 166036, 197067, 201468, 218257, 249054, 262756, 394134, 436514, 498108, 520459, 654771, 788268, 873028, 1040918, 1309542, 1561377, 2081836, 2619084, 3122754, 6245508, 6765967, 13531934, 20297901, 27063868, 40595802, 81191604]

約数ペア:

[(1, 81191604), (2, 40595802), (3, 27063868), (4, 20297901), (6, 13531934), (12, 6765967), (13, 6245508), (26, 3122754), (31, 2619084), (39, 2081836), (52, 1561377), (62, 1309542), (78, 1040918), (93, 873028), (103, 788268), (124, 654771), (156, 520459), (163, 498108), (186, 436514), (206, 394134), (309, 262756), (326, 249054), (372, 218257), (403, 201468), (412, 197067), (489, 166036), (618, 131378), (652, 124527), (806, 100734), (978, 83018), (1209, 67156), (1236, 65689), (1339, 60636), (1612, 50367), (1956, 41509), (2119, 38316), (2418, 33578), (2678, 30318), (3193, 25428), (4017, 20212), (4238, 19158), (4836, 16789), (5053, 16068), (5356, 15159), (6357, 12772), (6386, 12714), (8034, 10106), (8476, 9579)]