217691045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 308375424

約数和(自身を除く): 90684379

約数列:

[1, 5, 11, 13, 55, 65, 143, 251, 715, 1213, 1255, 2761, 3263, 6065, 13343, 13805, 15769, 16315, 35893, 66715, 78845, 173459, 179465, 304463, 867295, 1522315, 3349093, 3958019, 16745465, 19790095, 43538209, 217691045]

約数ペア:

[(1, 217691045), (5, 43538209), (11, 19790095), (13, 16745465), (55, 3958019), (65, 3349093), (143, 1522315), (251, 867295), (715, 304463), (1213, 179465), (1255, 173459), (2761, 78845), (3263, 66715), (6065, 35893), (13343, 16315), (13805, 15769)]