1721551270

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{6659}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 3141815040

約数和(自身を除く): 1420263770

約数列:

[1, 2, 5, 10, 103, 206, 251, 502, 515, 1030, 1255, 2510, 6659, 13318, 25853, 33295, 51706, 66590, 129265, 258530, 685877, 1371754, 1671409, 3342818, 3429385, 6858770, 8357045, 16714090, 172155127, 344310254, 860775635, 1721551270]

約数ペア:

[(1, 1721551270), (2, 860775635), (5, 344310254), (10, 172155127), (103, 16714090), (206, 8357045), (251, 6858770), (502, 3429385), (515, 3342818), (1030, 1671409), (1255, 1371754), (2510, 685877), (6659, 258530), (13318, 129265), (25853, 66590), (33295, 51706)]