81467928

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7207}}^1$

素因数の和:7376

約数の個数: 48

約数和(自身を含む): 222078480

約数和(自身を除く): 140610552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 7207, 11304, 14414, 21621, 28828, 43242, 57656, 64863, 86484, 129726, 172968, 259452, 518904, 1131499, 2262998, 3394497, 4525996, 6788994, 9051992, 10183491, 13577988, 20366982, 27155976, 40733964, 81467928]

約数ペア:

[(1, 81467928), (2, 40733964), (3, 27155976), (4, 20366982), (6, 13577988), (8, 10183491), (9, 9051992), (12, 6788994), (18, 4525996), (24, 3394497), (36, 2262998), (72, 1131499), (157, 518904), (314, 259452), (471, 172968), (628, 129726), (942, 86484), (1256, 64863), (1413, 57656), (1884, 43242), (2826, 28828), (3768, 21621), (5652, 14414), (7207, 11304)]