78896909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 99475488

約数和(自身を除く): 20578579

約数列:

[1, 7, 13, 49, 91, 211, 587, 637, 1477, 2743, 4109, 7631, 10339, 19201, 28763, 53417, 123857, 134407, 373919, 866999, 1610141, 6068993, 11270987, 78896909]

約数ペア:

[(1, 78896909), (7, 11270987), (13, 6068993), (49, 1610141), (91, 866999), (211, 373919), (587, 134407), (637, 123857), (1477, 53417), (2743, 28763), (4109, 19201), (7631, 10339)]