1285322528

素因数分解:

$2^5\times 7^4\times {\mathrm{16729}}^1$

素因数の和:16767

約数の個数: 60

約数和(自身を含む): 2952225990

約数和(自身を除く): 1666903462

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2401, 2744, 4802, 5488, 9604, 10976, 16729, 19208, 33458, 38416, 66916, 76832, 117103, 133832, 234206, 267664, 468412, 535328, 819721, 936824, 1639442, 1873648, 3278884, 3747296, 5738047, 6557768, 11476094, 13115536, 22952188, 26231072, 40166329, 45904376, 80332658, 91808752, 160665316, 183617504, 321330632, 642661264, 1285322528]

約数ペア:

[(1, 1285322528), (2, 642661264), (4, 321330632), (7, 183617504), (8, 160665316), (14, 91808752), (16, 80332658), (28, 45904376), (32, 40166329), (49, 26231072), (56, 22952188), (98, 13115536), (112, 11476094), (196, 6557768), (224, 5738047), (343, 3747296), (392, 3278884), (686, 1873648), (784, 1639442), (1372, 936824), (1568, 819721), (2401, 535328), (2744, 468412), (4802, 267664), (5488, 234206), (9604, 133832), (10976, 117103), (16729, 76832), (19208, 66916), (33458, 38416)]