2149798976

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{198761}}^1$

素因数の和:198799

約数の個数: 42

約数和(自身を含む): 4619427642

約数和(自身を除く): 2469628666

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 198761, 397522, 795044, 1590088, 2583893, 3180176, 5167786, 6360352, 10335572, 12720704, 20671144, 33590609, 41342288, 67181218, 82684576, 134362436, 165369152, 268724872, 537449744, 1074899488, 2149798976]

約数ペア:

[(1, 2149798976), (2, 1074899488), (4, 537449744), (8, 268724872), (13, 165369152), (16, 134362436), (26, 82684576), (32, 67181218), (52, 41342288), (64, 33590609), (104, 20671144), (169, 12720704), (208, 10335572), (338, 6360352), (416, 5167786), (676, 3180176), (832, 2583893), (1352, 1590088), (2704, 795044), (5408, 397522), (10816, 198761)]