28978976

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{69661}}^1$

素因数の和:69684

約数の個数: 24

約数和(自身を含む): 61441884

約数和(自身を除く): 32462908

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 69661, 139322, 278644, 557288, 905593, 1114576, 1811186, 2229152, 3622372, 7244744, 14489488, 28978976]

約数ペア:

[(1, 28978976), (2, 14489488), (4, 7244744), (8, 3622372), (13, 2229152), (16, 1811186), (26, 1114576), (32, 905593), (52, 557288), (104, 278644), (208, 139322), (416, 69661)]