81855730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{6827}}^1$

素因数の和:6954

約数の個数: 32

約数和(自身を含む): 162233280

約数和(自身を除く): 80377550

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 6827, 11990, 13654, 34135, 68270, 75097, 150194, 375485, 744143, 750970, 1488286, 3720715, 7441430, 8185573, 16371146, 40927865, 81855730]

約数ペア:

[(1, 81855730), (2, 40927865), (5, 16371146), (10, 8185573), (11, 7441430), (22, 3720715), (55, 1488286), (109, 750970), (110, 744143), (218, 375485), (545, 150194), (1090, 75097), (1199, 68270), (2398, 34135), (5995, 13654), (6827, 11990)]