128947784

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{31543}}^1$

素因数の和:31629

約数の個数: 32

約数和(自身を含む): 280110720

約数和(自身を除く): 151162936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 31543, 63086, 126172, 220801, 252344, 441602, 883204, 1766408, 2302639, 4605278, 9210556, 16118473, 18421112, 32236946, 64473892, 128947784]

約数ペア:

[(1, 128947784), (2, 64473892), (4, 32236946), (7, 18421112), (8, 16118473), (14, 9210556), (28, 4605278), (56, 2302639), (73, 1766408), (146, 883204), (292, 441602), (511, 252344), (584, 220801), (1022, 126172), (2044, 63086), (4088, 31543)]