28564163999

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{1481}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 33476032512

約数和(自身を除く): 4911868513

約数列:

[1, 7, 71, 151, 257, 497, 1057, 1481, 1799, 10367, 10721, 18247, 38807, 75047, 105151, 127729, 223631, 271649, 380617, 736057, 1565417, 2664319, 2755297, 15877801, 19287079, 27023807, 57473167, 111144607, 189166649, 402312169, 4080594857, 28564163999]

約数ペア:

[(1, 28564163999), (7, 4080594857), (71, 402312169), (151, 189166649), (257, 111144607), (497, 57473167), (1057, 27023807), (1481, 19287079), (1799, 15877801), (10367, 2755297), (10721, 2664319), (18247, 1565417), (38807, 736057), (75047, 380617), (105151, 271649), (127729, 223631)]