1639448947

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 1809174528

約数和(自身を除く): 169725581

約数列:

[1, 23, 37, 53, 163, 223, 851, 1219, 1961, 3749, 5129, 6031, 8251, 8639, 11819, 36349, 45103, 138713, 189773, 198697, 271837, 319643, 437303, 836027, 1344913, 1926497, 7351789, 10057969, 30932999, 44309431, 71280389, 1639448947]

約数ペア:

[(1, 1639448947), (23, 71280389), (37, 44309431), (53, 30932999), (163, 10057969), (223, 7351789), (851, 1926497), (1219, 1344913), (1961, 836027), (3749, 437303), (5129, 319643), (6031, 271837), (8251, 198697), (8639, 189773), (11819, 138713), (36349, 45103)]