15999708

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 22465572

約数列:

[1, 2, 3, 4, 6, 12, 71, 89, 142, 178, 211, 213, 267, 284, 356, 422, 426, 534, 633, 844, 852, 1068, 1266, 2532, 6319, 12638, 14981, 18779, 18957, 25276, 29962, 37558, 37914, 44943, 56337, 59924, 75116, 75828, 89886, 112674, 179772, 225348, 1333309, 2666618, 3999927, 5333236, 7999854, 15999708]

約数ペア:

[(1, 15999708), (2, 7999854), (3, 5333236), (4, 3999927), (6, 2666618), (12, 1333309), (71, 225348), (89, 179772), (142, 112674), (178, 89886), (211, 75828), (213, 75116), (267, 59924), (284, 56337), (356, 44943), (422, 37914), (426, 37558), (534, 29962), (633, 25276), (844, 18957), (852, 18779), (1068, 14981), (1266, 12638), (2532, 6319)]