209469448

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{769}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 399168000

約数和(自身を除く): 189698552

約数列:

[1, 2, 4, 8, 79, 158, 316, 431, 632, 769, 862, 1538, 1724, 3076, 3448, 6152, 34049, 60751, 68098, 121502, 136196, 243004, 272392, 331439, 486008, 662878, 1325756, 2651512, 26183681, 52367362, 104734724, 209469448]

約数ペア:

[(1, 209469448), (2, 104734724), (4, 52367362), (8, 26183681), (79, 2651512), (158, 1325756), (316, 662878), (431, 486008), (632, 331439), (769, 272392), (862, 243004), (1538, 136196), (1724, 121502), (3076, 68098), (3448, 60751), (6152, 34049)]