643896

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 1958400

約数和(自身を除く): 1314504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 271, 297, 396, 542, 594, 792, 813, 1084, 1188, 1626, 2168, 2376, 2439, 2981, 3252, 4878, 5962, 6504, 7317, 8943, 9756, 11924, 14634, 17886, 19512, 23848, 26829, 29268, 35772, 53658, 58536, 71544, 80487, 107316, 160974, 214632, 321948, 643896]

約数ペア:

[(1, 643896), (2, 321948), (3, 214632), (4, 160974), (6, 107316), (8, 80487), (9, 71544), (11, 58536), (12, 53658), (18, 35772), (22, 29268), (24, 26829), (27, 23848), (33, 19512), (36, 17886), (44, 14634), (54, 11924), (66, 9756), (72, 8943), (88, 7317), (99, 6504), (108, 5962), (132, 4878), (198, 3252), (216, 2981), (264, 2439), (271, 2376), (297, 2168), (396, 1626), (542, 1188), (594, 1084), (792, 813)]