66507028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 138363904

約数和(自身を除く): 71856876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 193, 217, 386, 397, 434, 772, 794, 868, 1351, 1588, 2702, 2779, 5404, 5558, 5983, 11116, 11966, 12307, 23932, 24614, 41881, 49228, 76621, 83762, 86149, 153242, 167524, 172298, 306484, 344596, 536347, 1072694, 2145388, 2375251, 4750502, 9501004, 16626757, 33253514, 66507028]

約数ペア:

[(1, 66507028), (2, 33253514), (4, 16626757), (7, 9501004), (14, 4750502), (28, 2375251), (31, 2145388), (62, 1072694), (124, 536347), (193, 344596), (217, 306484), (386, 172298), (397, 167524), (434, 153242), (772, 86149), (794, 83762), (868, 76621), (1351, 49228), (1588, 41881), (2702, 24614), (2779, 23932), (5404, 12307), (5558, 11966), (5983, 11116)]