209763904

素因数分解:

$2^6\times 7^2\times {\mathrm{66889}}^1$

素因数の和:66915

約数の個数: 42

約数和(自身を含む): 484216710

約数和(自身を除く): 274452806

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 66889, 133778, 267556, 468223, 535112, 936446, 1070224, 1872892, 2140448, 3277561, 3745784, 4280896, 6555122, 7491568, 13110244, 14983136, 26220488, 29966272, 52440976, 104881952, 209763904]

約数ペア:

[(1, 209763904), (2, 104881952), (4, 52440976), (7, 29966272), (8, 26220488), (14, 14983136), (16, 13110244), (28, 7491568), (32, 6555122), (49, 4280896), (56, 3745784), (64, 3277561), (98, 2140448), (112, 1872892), (196, 1070224), (224, 936446), (392, 535112), (448, 468223), (784, 267556), (1568, 133778), (3136, 66889)]