71879899

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 93993984

約数和(自身を除く): 22114085

約数列:

[1, 7, 13, 23, 61, 91, 161, 299, 427, 563, 793, 1403, 2093, 3941, 5551, 7319, 9821, 12949, 18239, 34343, 51233, 90643, 127673, 168337, 240401, 446459, 789889, 1178359, 3125213, 5529223, 10268557, 71879899]

約数ペア:

[(1, 71879899), (7, 10268557), (13, 5529223), (23, 3125213), (61, 1178359), (91, 789889), (161, 446459), (299, 240401), (427, 168337), (563, 127673), (793, 90643), (1403, 51233), (2093, 34343), (3941, 18239), (5551, 12949), (7319, 9821)]