81427268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 161930496

約数和(自身を除く): 80503228

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 103, 206, 299, 412, 598, 661, 1196, 1322, 1339, 2369, 2644, 2678, 4738, 5356, 8593, 9476, 15203, 17186, 30406, 30797, 34372, 60812, 61594, 68083, 123188, 136166, 197639, 272332, 395278, 790556, 885079, 1565909, 1770158, 3131818, 3540316, 6263636, 20356817, 40713634, 81427268]

約数ペア:

[(1, 81427268), (2, 40713634), (4, 20356817), (13, 6263636), (23, 3540316), (26, 3131818), (46, 1770158), (52, 1565909), (92, 885079), (103, 790556), (206, 395278), (299, 272332), (412, 197639), (598, 136166), (661, 123188), (1196, 68083), (1322, 61594), (1339, 60812), (2369, 34372), (2644, 30797), (2678, 30406), (4738, 17186), (5356, 15203), (8593, 9476)]