648049234

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{21031}}^1$

素因数の和:21142

約数の個数: 32

約数和(自身を含む): 1162985472

約数和(自身を除く): 514936238

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 994, 2201, 4402, 15407, 21031, 30814, 42062, 147217, 294434, 651961, 1303922, 1493201, 2986402, 4563727, 9127454, 10452407, 20904814, 46289231, 92578462, 324024617, 648049234]

約数ペア:

[(1, 648049234), (2, 324024617), (7, 92578462), (14, 46289231), (31, 20904814), (62, 10452407), (71, 9127454), (142, 4563727), (217, 2986402), (434, 1493201), (497, 1303922), (994, 651961), (2201, 294434), (4402, 147217), (15407, 42062), (21031, 30814)]