198804784

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 390832128

約数和(自身を除く): 192027344

約数列:

[1, 2, 4, 8, 16, 127, 227, 254, 431, 454, 508, 862, 908, 1016, 1724, 1816, 2032, 3448, 3632, 6896, 28829, 54737, 57658, 97837, 109474, 115316, 195674, 218948, 230632, 391348, 437896, 461264, 782696, 875792, 1565392, 12425299, 24850598, 49701196, 99402392, 198804784]

約数ペア:

[(1, 198804784), (2, 99402392), (4, 49701196), (8, 24850598), (16, 12425299), (127, 1565392), (227, 875792), (254, 782696), (431, 461264), (454, 437896), (508, 391348), (862, 230632), (908, 218948), (1016, 195674), (1724, 115316), (1816, 109474), (2032, 97837), (3448, 57658), (3632, 54737), (6896, 28829)]