81214385

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 115153920

約数和(自身を除く): 33939535

約数列:

[1, 5, 7, 35, 59, 67, 295, 335, 413, 469, 587, 2065, 2345, 2935, 3953, 4109, 19765, 20545, 27671, 34633, 39329, 138355, 173165, 196645, 242431, 275303, 1212155, 1376515, 2320411, 11602055, 16242877, 81214385]

約数ペア:

[(1, 81214385), (5, 16242877), (7, 11602055), (35, 2320411), (59, 1376515), (67, 1212155), (295, 275303), (335, 242431), (413, 196645), (469, 173165), (587, 138355), (2065, 39329), (2345, 34633), (2935, 27671), (3953, 20545), (4109, 19765)]