681747455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 885427200

約数和(自身を除く): 203679745

約数列:

[1, 5, 19, 47, 95, 179, 235, 853, 893, 895, 3401, 4265, 4465, 8413, 16207, 17005, 40091, 42065, 81035, 152687, 159847, 200455, 761729, 763435, 799235, 2901053, 3808645, 7176289, 14505265, 35881445, 136349491, 681747455]

約数ペア:

[(1, 681747455), (5, 136349491), (19, 35881445), (47, 14505265), (95, 7176289), (179, 3808645), (235, 2901053), (853, 799235), (893, 763435), (895, 761729), (3401, 200455), (4265, 159847), (4465, 152687), (8413, 81035), (16207, 42065), (17005, 40091)]