155555596

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18518

約数の個数: 36

約数和(自身を含む): 324048648

約数和(自身を除く): 168493052

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 18457, 36914, 73828, 129199, 258398, 516796, 793651, 904393, 1587302, 1808786, 3174604, 3617572, 5555557, 11111114, 22222228, 38888899, 77777798, 155555596]

約数ペア:

[(1, 155555596), (2, 77777798), (4, 38888899), (7, 22222228), (14, 11111114), (28, 5555557), (43, 3617572), (49, 3174604), (86, 1808786), (98, 1587302), (172, 904393), (196, 793651), (301, 516796), (602, 258398), (1204, 129199), (2107, 73828), (4214, 36914), (8428, 18457)]