2558564735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 3245018112

約数和(自身を除く): 686453377

約数列:

[1, 5, 23, 115, 137, 251, 647, 685, 1255, 3151, 3235, 5773, 14881, 15755, 28865, 34387, 74405, 88639, 162397, 171935, 443195, 790901, 811985, 2038697, 3735131, 3954505, 10193485, 18675655, 22248389, 111241945, 511712947, 2558564735]

約数ペア:

[(1, 2558564735), (5, 511712947), (23, 111241945), (115, 22248389), (137, 18675655), (251, 10193485), (647, 3954505), (685, 3735131), (1255, 2038697), (3151, 811985), (3235, 790901), (5773, 443195), (14881, 171935), (15755, 162397), (28865, 88639), (34387, 74405)]