28859792

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 40

約数和(自身を含む): 60647160

約数和(自身を除く): 31787368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 821, 1352, 1642, 2197, 2704, 3284, 4394, 6568, 8788, 10673, 13136, 17576, 21346, 35152, 42692, 85384, 138749, 170768, 277498, 554996, 1109992, 1803737, 2219984, 3607474, 7214948, 14429896, 28859792]

約数ペア:

[(1, 28859792), (2, 14429896), (4, 7214948), (8, 3607474), (13, 2219984), (16, 1803737), (26, 1109992), (52, 554996), (104, 277498), (169, 170768), (208, 138749), (338, 85384), (676, 42692), (821, 35152), (1352, 21346), (1642, 17576), (2197, 13136), (2704, 10673), (3284, 8788), (4394, 6568)]