81103685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 116847360

約数和(自身を除く): 35743675

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 3863, 4199, 19315, 20995, 50219, 65671, 73397, 251095, 328355, 366985, 853723, 954161, 1247749, 4268615, 4770805, 6238745, 16220737, 81103685]

約数ペア:

[(1, 81103685), (5, 16220737), (13, 6238745), (17, 4770805), (19, 4268615), (65, 1247749), (85, 954161), (95, 853723), (221, 366985), (247, 328355), (323, 251095), (1105, 73397), (1235, 65671), (1615, 50219), (3863, 20995), (4199, 19315)]