427700735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 685670400

約数和(自身を除く): 257969665

約数列:

[1, 5, 7, 11, 19, 35, 55, 59, 77, 95, 133, 209, 295, 385, 413, 649, 665, 991, 1045, 1121, 1463, 2065, 3245, 4543, 4955, 5605, 6937, 7315, 7847, 10901, 12331, 18829, 22715, 34685, 39235, 54505, 58469, 61655, 76307, 86317, 94145, 131803, 207119, 292345, 381535, 409283, 431585, 643159, 659015, 1035595, 1110911, 1449833, 2046415, 3215795, 4502113, 5554555, 7249165, 7776377, 12220021, 22510565, 38881885, 61100105, 85540147, 427700735]

約数ペア:

[(1, 427700735), (5, 85540147), (7, 61100105), (11, 38881885), (19, 22510565), (35, 12220021), (55, 7776377), (59, 7249165), (77, 5554555), (95, 4502113), (133, 3215795), (209, 2046415), (295, 1449833), (385, 1110911), (413, 1035595), (649, 659015), (665, 643159), (991, 431585), (1045, 409283), (1121, 381535), (1463, 292345), (2065, 207119), (3245, 131803), (4543, 94145), (4955, 86317), (5605, 76307), (6937, 61655), (7315, 58469), (7847, 54505), (10901, 39235), (12331, 34685), (18829, 22715)]