388619408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{1429}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 787300800

約数和(自身を除く): 398681392

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 739, 1429, 1478, 2858, 2956, 5716, 5912, 11432, 11824, 16997, 22864, 32867, 33994, 65734, 67988, 131468, 135976, 262936, 271952, 525872, 1056031, 2112062, 4224124, 8448248, 16896496, 24288713, 48577426, 97154852, 194309704, 388619408]

約数ペア:

[(1, 388619408), (2, 194309704), (4, 97154852), (8, 48577426), (16, 24288713), (23, 16896496), (46, 8448248), (92, 4224124), (184, 2112062), (368, 1056031), (739, 525872), (1429, 271952), (1478, 262936), (2858, 135976), (2956, 131468), (5716, 67988), (5912, 65734), (11432, 33994), (11824, 32867), (16997, 22864)]