28753984

素因数分解:

$2^6\times 7^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 84

約数和(自身を含む): 68017644

約数和(自身を除く): 39263660

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 173, 196, 212, 224, 346, 371, 392, 424, 448, 692, 742, 784, 848, 1211, 1384, 1484, 1568, 1696, 2422, 2597, 2768, 2968, 3136, 3392, 4844, 5194, 5536, 5936, 8477, 9169, 9688, 10388, 11072, 11872, 16954, 18338, 19376, 20776, 23744, 33908, 36676, 38752, 41552, 64183, 67816, 73352, 77504, 83104, 128366, 135632, 146704, 166208, 256732, 271264, 293408, 449281, 513464, 542528, 586816, 898562, 1026928, 1797124, 2053856, 3594248, 4107712, 7188496, 14376992, 28753984]

約数ペア:

[(1, 28753984), (2, 14376992), (4, 7188496), (7, 4107712), (8, 3594248), (14, 2053856), (16, 1797124), (28, 1026928), (32, 898562), (49, 586816), (53, 542528), (56, 513464), (64, 449281), (98, 293408), (106, 271264), (112, 256732), (173, 166208), (196, 146704), (212, 135632), (224, 128366), (346, 83104), (371, 77504), (392, 73352), (424, 67816), (448, 64183), (692, 41552), (742, 38752), (784, 36676), (848, 33908), (1211, 23744), (1384, 20776), (1484, 19376), (1568, 18338), (1696, 16954), (2422, 11872), (2597, 11072), (2768, 10388), (2968, 9688), (3136, 9169), (3392, 8477), (4844, 5936), (5194, 5536)]