17747996

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 39223296

約数和(自身を除く): 21475300

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 127, 161, 196, 217, 254, 322, 434, 508, 644, 713, 868, 889, 1127, 1426, 1519, 1778, 2254, 2852, 2921, 3038, 3556, 3937, 4508, 4991, 5842, 6076, 6223, 7874, 9982, 11684, 12446, 15748, 19964, 20447, 24892, 27559, 34937, 40894, 55118, 69874, 81788, 90551, 110236, 139748, 143129, 181102, 192913, 286258, 362204, 385826, 572516, 633857, 771652, 1267714, 2535428, 4436999, 8873998, 17747996]

約数ペア:

[(1, 17747996), (2, 8873998), (4, 4436999), (7, 2535428), (14, 1267714), (23, 771652), (28, 633857), (31, 572516), (46, 385826), (49, 362204), (62, 286258), (92, 192913), (98, 181102), (124, 143129), (127, 139748), (161, 110236), (196, 90551), (217, 81788), (254, 69874), (322, 55118), (434, 40894), (508, 34937), (644, 27559), (713, 24892), (868, 20447), (889, 19964), (1127, 15748), (1426, 12446), (1519, 11684), (1778, 9982), (2254, 7874), (2852, 6223), (2921, 6076), (3038, 5842), (3556, 4991), (3937, 4508)]