831509748

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1031}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 2156970816

約数和(自身を除く): 1325461068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 521, 774, 1031, 1042, 1548, 1563, 2062, 2084, 3093, 3126, 4124, 4689, 6186, 6252, 9279, 9378, 12372, 18558, 18756, 22403, 37116, 44333, 44806, 67209, 88666, 89612, 132999, 134418, 177332, 201627, 265998, 268836, 398997, 403254, 531996, 537151, 797994, 806508, 1074302, 1595988, 1611453, 2148604, 3222906, 4834359, 6445812, 9668718, 19337436, 23097493, 46194986, 69292479, 92389972, 138584958, 207877437, 277169916, 415754874, 831509748]

約数ペア:

[(1, 831509748), (2, 415754874), (3, 277169916), (4, 207877437), (6, 138584958), (9, 92389972), (12, 69292479), (18, 46194986), (36, 23097493), (43, 19337436), (86, 9668718), (129, 6445812), (172, 4834359), (258, 3222906), (387, 2148604), (516, 1611453), (521, 1595988), (774, 1074302), (1031, 806508), (1042, 797994), (1548, 537151), (1563, 531996), (2062, 403254), (2084, 398997), (3093, 268836), (3126, 265998), (4124, 201627), (4689, 177332), (6186, 134418), (6252, 132999), (9279, 89612), (9378, 88666), (12372, 67209), (18558, 44806), (18756, 44333), (22403, 37116)]