71656912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 144354600

約数和(自身を除く): 72697688

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 389, 397, 464, 778, 794, 1556, 1588, 3112, 3176, 6224, 6352, 11281, 11513, 22562, 23026, 45124, 46052, 90248, 92104, 154433, 180496, 184208, 308866, 617732, 1235464, 2470928, 4478557, 8957114, 17914228, 35828456, 71656912]

約数ペア:

[(1, 71656912), (2, 35828456), (4, 17914228), (8, 8957114), (16, 4478557), (29, 2470928), (58, 1235464), (116, 617732), (232, 308866), (389, 184208), (397, 180496), (464, 154433), (778, 92104), (794, 90248), (1556, 46052), (1588, 45124), (3112, 23026), (3176, 22562), (6224, 11513), (6352, 11281)]