217904454

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 480168000

約数和(自身を除く): 262263546

約数列:

[1, 2, 3, 6, 9, 18, 113, 149, 226, 298, 339, 447, 678, 719, 894, 1017, 1341, 1438, 2034, 2157, 2682, 4314, 6471, 12942, 16837, 33674, 50511, 81247, 101022, 107131, 151533, 162494, 214262, 243741, 303066, 321393, 487482, 642786, 731223, 964179, 1462446, 1928358, 12105803, 24211606, 36317409, 72634818, 108952227, 217904454]

約数ペア:

[(1, 217904454), (2, 108952227), (3, 72634818), (6, 36317409), (9, 24211606), (18, 12105803), (113, 1928358), (149, 1462446), (226, 964179), (298, 731223), (339, 642786), (447, 487482), (678, 321393), (719, 303066), (894, 243741), (1017, 214262), (1341, 162494), (1438, 151533), (2034, 107131), (2157, 101022), (2682, 81247), (4314, 50511), (6471, 33674), (12942, 16837)]