81717944

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 194711040

約数和(自身を除く): 112993096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 616, 742, 1166, 1484, 2332, 2503, 2968, 4081, 4664, 5006, 8162, 10012, 16324, 17521, 20024, 27533, 32648, 35042, 55066, 70084, 110132, 132659, 140168, 192731, 220264, 265318, 385462, 530636, 770924, 928613, 1061272, 1459249, 1541848, 1857226, 2918498, 3714452, 5836996, 7428904, 10214743, 11673992, 20429486, 40858972, 81717944]

約数ペア:

[(1, 81717944), (2, 40858972), (4, 20429486), (7, 11673992), (8, 10214743), (11, 7428904), (14, 5836996), (22, 3714452), (28, 2918498), (44, 1857226), (53, 1541848), (56, 1459249), (77, 1061272), (88, 928613), (106, 770924), (154, 530636), (212, 385462), (308, 265318), (371, 220264), (424, 192731), (583, 140168), (616, 132659), (742, 110132), (1166, 70084), (1484, 55066), (2332, 35042), (2503, 32648), (2968, 27533), (4081, 20024), (4664, 17521), (5006, 16324), (8162, 10012)]