256221756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59809}}^1$

素因数の和:59843

約数の個数: 72

約数和(自身を含む): 783750240

約数和(自身を除く): 527528484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 59809, 119618, 179427, 239236, 358854, 418663, 538281, 717708, 837326, 1016753, 1076562, 1255989, 1674652, 2033506, 2153124, 2511978, 3050259, 3767967, 4067012, 5023956, 6100518, 7117271, 7535934, 9150777, 12201036, 14234542, 15071868, 18301554, 21351813, 28469084, 36603108, 42703626, 64055439, 85407252, 128110878, 256221756]

約数ペア:

[(1, 256221756), (2, 128110878), (3, 85407252), (4, 64055439), (6, 42703626), (7, 36603108), (9, 28469084), (12, 21351813), (14, 18301554), (17, 15071868), (18, 14234542), (21, 12201036), (28, 9150777), (34, 7535934), (36, 7117271), (42, 6100518), (51, 5023956), (63, 4067012), (68, 3767967), (84, 3050259), (102, 2511978), (119, 2153124), (126, 2033506), (153, 1674652), (204, 1255989), (238, 1076562), (252, 1016753), (306, 837326), (357, 717708), (476, 538281), (612, 418663), (714, 358854), (1071, 239236), (1428, 179427), (2142, 119618), (4284, 59809)]