66940445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 95001984

約数和(自身を除く): 28061539

約数列:

[1, 5, 11, 13, 55, 65, 143, 251, 373, 715, 1255, 1865, 2761, 3263, 4103, 4849, 13805, 16315, 20515, 24245, 35893, 53339, 93623, 179465, 266695, 468115, 1029853, 1217099, 5149265, 6085495, 13388089, 66940445]

約数ペア:

[(1, 66940445), (5, 13388089), (11, 6085495), (13, 5149265), (55, 1217099), (65, 1029853), (143, 468115), (251, 266695), (373, 179465), (715, 93623), (1255, 53339), (1865, 35893), (2761, 24245), (3263, 20515), (4103, 16315), (4849, 13805)]