289406704

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{228961}}^1$

素因数の和:229048

約数の個数: 20

約数和(自身を含む): 567825760

約数和(自身を除く): 278419056

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 228961, 457922, 915844, 1831688, 3663376, 18087919, 36175838, 72351676, 144703352, 289406704]

約数ペア:

[(1, 289406704), (2, 144703352), (4, 72351676), (8, 36175838), (16, 18087919), (79, 3663376), (158, 1831688), (316, 915844), (632, 457922), (1264, 228961)]