397492784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{6899}}^1$

素因数の和:7197

約数の個数: 40

約数和(自身を含む): 832498800

約数和(自身を除く): 435006016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3601, 4432, 6899, 7202, 13798, 14404, 27596, 28808, 55192, 57616, 89687, 110384, 179374, 358748, 717496, 1434992, 1911023, 3822046, 7644092, 15288184, 24843299, 30576368, 49686598, 99373196, 198746392, 397492784]

約数ペア:

[(1, 397492784), (2, 198746392), (4, 99373196), (8, 49686598), (13, 30576368), (16, 24843299), (26, 15288184), (52, 7644092), (104, 3822046), (208, 1911023), (277, 1434992), (554, 717496), (1108, 358748), (2216, 179374), (3601, 110384), (4432, 89687), (6899, 57616), (7202, 55192), (13798, 28808), (14404, 27596)]