1338155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 2104704

約数和(自身を除く): 766549

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 173, 221, 455, 595, 865, 1105, 1211, 1547, 2249, 2941, 6055, 7735, 11245, 14705, 15743, 20587, 38233, 78715, 102935, 191165, 267631, 1338155]

約数ペア:

[(1, 1338155), (5, 267631), (7, 191165), (13, 102935), (17, 78715), (35, 38233), (65, 20587), (85, 15743), (91, 14705), (119, 11245), (173, 7735), (221, 6055), (455, 2941), (595, 2249), (865, 1547), (1105, 1211)]