81613844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68239}}^1$

素因数の和:68279

約数の個数: 24

約数和(自身を含む): 160500480

約数和(自身を除く): 78886636

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68239, 136478, 272956, 887107, 1569497, 1774214, 3138994, 3548428, 6277988, 20403461, 40806922, 81613844]

約数ペア:

[(1, 81613844), (2, 40806922), (4, 20403461), (13, 6277988), (23, 3548428), (26, 3138994), (46, 1774214), (52, 1569497), (92, 887107), (299, 272956), (598, 136478), (1196, 68239)]