397348718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2311}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 681670080

約数和(自身を除く): 284321362

約数列:

[1, 2, 13, 17, 26, 34, 221, 389, 442, 778, 2311, 4622, 5057, 6613, 10114, 13226, 30043, 39287, 60086, 78574, 85969, 171938, 510731, 898979, 1021462, 1797958, 11686727, 15282643, 23373454, 30565286, 198674359, 397348718]

約数ペア:

[(1, 397348718), (2, 198674359), (13, 30565286), (17, 23373454), (26, 15282643), (34, 11686727), (221, 1797958), (389, 1021462), (442, 898979), (778, 510731), (2311, 171938), (4622, 85969), (5057, 78574), (6613, 60086), (10114, 39287), (13226, 30043)]