388388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 921984

約数和(自身を除く): 533596

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 97, 143, 154, 182, 194, 286, 308, 364, 388, 572, 679, 1001, 1067, 1261, 1358, 2002, 2134, 2522, 2716, 4004, 4268, 5044, 7469, 8827, 13871, 14938, 17654, 27742, 29876, 35308, 55484, 97097, 194194, 388388]

約数ペア:

[(1, 388388), (2, 194194), (4, 97097), (7, 55484), (11, 35308), (13, 29876), (14, 27742), (22, 17654), (26, 14938), (28, 13871), (44, 8827), (52, 7469), (77, 5044), (91, 4268), (97, 4004), (143, 2716), (154, 2522), (182, 2134), (194, 2002), (286, 1358), (308, 1261), (364, 1067), (388, 1001), (572, 679)]