13878172

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 31773168

約数和(自身を除く): 17894996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 157, 164, 196, 287, 308, 314, 451, 539, 574, 628, 902, 1078, 1099, 1148, 1727, 1804, 2009, 2156, 2198, 3157, 3454, 4018, 4396, 6314, 6437, 6908, 7693, 8036, 12089, 12628, 12874, 15386, 22099, 24178, 25748, 30772, 44198, 45059, 48356, 70807, 84623, 88396, 90118, 141614, 169246, 180236, 283228, 315413, 338492, 495649, 630826, 991298, 1261652, 1982596, 3469543, 6939086, 13878172]

約数ペア:

[(1, 13878172), (2, 6939086), (4, 3469543), (7, 1982596), (11, 1261652), (14, 991298), (22, 630826), (28, 495649), (41, 338492), (44, 315413), (49, 283228), (77, 180236), (82, 169246), (98, 141614), (154, 90118), (157, 88396), (164, 84623), (196, 70807), (287, 48356), (308, 45059), (314, 44198), (451, 30772), (539, 25748), (574, 24178), (628, 22099), (902, 15386), (1078, 12874), (1099, 12628), (1148, 12089), (1727, 8036), (1804, 7693), (2009, 6908), (2156, 6437), (2198, 6314), (3157, 4396), (3454, 4018)]