391376944

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{47869}}^1$

素因数の和:47957

約数の個数: 40

約数和(自身を含む): 878510240

約数和(自身を除く): 487133296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 47869, 95738, 191476, 335083, 382952, 670166, 765904, 1340332, 2680664, 3494437, 5361328, 6988874, 13977748, 24461059, 27955496, 48922118, 55910992, 97844236, 195688472, 391376944]

約数ペア:

[(1, 391376944), (2, 195688472), (4, 97844236), (7, 55910992), (8, 48922118), (14, 27955496), (16, 24461059), (28, 13977748), (56, 6988874), (73, 5361328), (112, 3494437), (146, 2680664), (292, 1340332), (511, 765904), (584, 670166), (1022, 382952), (1168, 335083), (2044, 191476), (4088, 95738), (8176, 47869)]