289797746

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{16981}}^1$

素因数の和:17066

約数の個数: 32

約数和(自身を含む): 528208128

約数和(自身を除く): 238410382

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 8533, 16981, 17066, 33962, 118867, 237734, 390563, 781126, 899993, 1799986, 2733941, 5467882, 6299951, 12599902, 20699839, 41399678, 144898873, 289797746]

約数ペア:

[(1, 289797746), (2, 144898873), (7, 41399678), (14, 20699839), (23, 12599902), (46, 6299951), (53, 5467882), (106, 2733941), (161, 1799986), (322, 899993), (371, 781126), (742, 390563), (1219, 237734), (2438, 118867), (8533, 33962), (16981, 17066)]