231337340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{68443}}^1$

素因数の和:68478

約数の個数: 36

約数和(自身を含む): 526060584

約数和(自身を除く): 294723244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 68443, 136886, 273772, 342215, 684430, 889759, 1368860, 1779518, 3559036, 4448795, 8897590, 11566867, 17795180, 23133734, 46267468, 57834335, 115668670, 231337340]

約数ペア:

[(1, 231337340), (2, 115668670), (4, 57834335), (5, 46267468), (10, 23133734), (13, 17795180), (20, 11566867), (26, 8897590), (52, 4448795), (65, 3559036), (130, 1779518), (169, 1368860), (260, 889759), (338, 684430), (676, 342215), (845, 273772), (1690, 136886), (3380, 68443)]