38549990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 72182880

約数和(自身を除く): 33632890

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 307, 433, 614, 866, 1535, 2165, 3070, 4330, 8903, 12557, 17806, 25114, 44515, 62785, 89030, 125570, 132931, 265862, 664655, 1329310, 3854999, 7709998, 19274995, 38549990]

約数ペア:

[(1, 38549990), (2, 19274995), (5, 7709998), (10, 3854999), (29, 1329310), (58, 664655), (145, 265862), (290, 132931), (307, 125570), (433, 89030), (614, 62785), (866, 44515), (1535, 25114), (2165, 17806), (3070, 12557), (4330, 8903)]