1399685888

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{321619}}^1$

素因数の和:321652

約数の個数: 36

約数和(自身を含む): 2958260760

約数和(自身を除く): 1558574872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 321619, 643238, 1286476, 2572952, 5145904, 5467523, 10291808, 10935046, 20583616, 21870092, 41167232, 43740184, 82334464, 87480368, 174960736, 349921472, 699842944, 1399685888]

約数ペア:

[(1, 1399685888), (2, 699842944), (4, 349921472), (8, 174960736), (16, 87480368), (17, 82334464), (32, 43740184), (34, 41167232), (64, 21870092), (68, 20583616), (128, 10935046), (136, 10291808), (256, 5467523), (272, 5145904), (544, 2572952), (1088, 1286476), (2176, 643238), (4352, 321619)]