488994545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23291}}^1$

素因数の和:23345

約数の個数: 32

約数和(自身を含む): 704350080

約数和(自身を除く): 215355535

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 23291, 116455, 302783, 395947, 442529, 1513915, 1979735, 2212645, 5147311, 5752877, 7522993, 25736555, 28764385, 37614965, 97798909, 488994545]

約数ペア:

[(1, 488994545), (5, 97798909), (13, 37614965), (17, 28764385), (19, 25736555), (65, 7522993), (85, 5752877), (95, 5147311), (221, 2212645), (247, 1979735), (323, 1513915), (1105, 442529), (1235, 395947), (1615, 302783), (4199, 116455), (20995, 23291)]