638452992

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19333}}^1$

素因数の和:19395

約数の個数: 72

約数和(自身を含む): 1738822624

約数和(自身を除く): 1100369632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 688, 768, 1032, 1376, 2064, 2752, 4128, 5504, 8256, 11008, 16512, 19333, 33024, 38666, 57999, 77332, 115998, 154664, 231996, 309328, 463992, 618656, 831319, 927984, 1237312, 1662638, 1855968, 2474624, 2493957, 3325276, 3711936, 4949248, 4987914, 6650552, 7423872, 9975828, 13301104, 14847744, 19951656, 26602208, 39903312, 53204416, 79806624, 106408832, 159613248, 212817664, 319226496, 638452992]

約数ペア:

[(1, 638452992), (2, 319226496), (3, 212817664), (4, 159613248), (6, 106408832), (8, 79806624), (12, 53204416), (16, 39903312), (24, 26602208), (32, 19951656), (43, 14847744), (48, 13301104), (64, 9975828), (86, 7423872), (96, 6650552), (128, 4987914), (129, 4949248), (172, 3711936), (192, 3325276), (256, 2493957), (258, 2474624), (344, 1855968), (384, 1662638), (516, 1237312), (688, 927984), (768, 831319), (1032, 618656), (1376, 463992), (2064, 309328), (2752, 231996), (4128, 154664), (5504, 115998), (8256, 77332), (11008, 57999), (16512, 38666), (19333, 33024)]