78888710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 144866880

約数和(自身を除く): 65978170

約数列:

[1, 2, 5, 10, 89, 137, 178, 274, 445, 647, 685, 890, 1294, 1370, 3235, 6470, 12193, 24386, 57583, 60965, 88639, 115166, 121930, 177278, 287915, 443195, 575830, 886390, 7888871, 15777742, 39444355, 78888710]

約数ペア:

[(1, 78888710), (2, 39444355), (5, 15777742), (10, 7888871), (89, 886390), (137, 575830), (178, 443195), (274, 287915), (445, 177278), (647, 121930), (685, 115166), (890, 88639), (1294, 60965), (1370, 57583), (3235, 24386), (6470, 12193)]