389637238

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 612779904

約数和(自身を除く): 223142666

約数列:

[1, 2, 47, 53, 94, 106, 197, 394, 397, 794, 2491, 4982, 9259, 10441, 18518, 18659, 20882, 21041, 37318, 42082, 78209, 156418, 490727, 981454, 988927, 1977854, 3675823, 4145077, 7351646, 8290154, 194818619, 389637238]

約数ペア:

[(1, 389637238), (2, 194818619), (47, 8290154), (53, 7351646), (94, 4145077), (106, 3675823), (197, 1977854), (394, 988927), (397, 981454), (794, 490727), (2491, 156418), (4982, 78209), (9259, 42082), (10441, 37318), (18518, 21041), (18659, 20882)]