639640908

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{39749}}^1$

素因数の和:39911

約数の個数: 48

約数和(自身を含む): 1669500000

約数和(自身を除く): 1029859092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 894, 1341, 1788, 2682, 4023, 5364, 8046, 16092, 39749, 79498, 119247, 158996, 238494, 357741, 476988, 715482, 1073223, 1430964, 2146446, 4292892, 5922601, 11845202, 17767803, 23690404, 35535606, 53303409, 71071212, 106606818, 159910227, 213213636, 319820454, 639640908]

約数ペア:

[(1, 639640908), (2, 319820454), (3, 213213636), (4, 159910227), (6, 106606818), (9, 71071212), (12, 53303409), (18, 35535606), (27, 23690404), (36, 17767803), (54, 11845202), (108, 5922601), (149, 4292892), (298, 2146446), (447, 1430964), (596, 1073223), (894, 715482), (1341, 476988), (1788, 357741), (2682, 238494), (4023, 158996), (5364, 119247), (8046, 79498), (16092, 39749)]