66987636

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 161323008

約数和(自身を除く): 94335372

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 131, 172, 258, 262, 393, 516, 524, 786, 991, 1572, 1982, 2973, 3964, 5633, 5946, 11266, 11892, 16899, 22532, 33798, 42613, 67596, 85226, 127839, 129821, 170452, 255678, 259642, 389463, 511356, 519284, 778926, 1557852, 5582303, 11164606, 16746909, 22329212, 33493818, 66987636]

約数ペア:

[(1, 66987636), (2, 33493818), (3, 22329212), (4, 16746909), (6, 11164606), (12, 5582303), (43, 1557852), (86, 778926), (129, 519284), (131, 511356), (172, 389463), (258, 259642), (262, 255678), (393, 170452), (516, 129821), (524, 127839), (786, 85226), (991, 67596), (1572, 42613), (1982, 33798), (2973, 22532), (3964, 16899), (5633, 11892), (5946, 11266)]