3891485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 5564160

約数和(自身を除く): 1672675

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 137, 247, 299, 437, 685, 1235, 1495, 1781, 2185, 2603, 3151, 5681, 8905, 13015, 15755, 28405, 33839, 40963, 59869, 169195, 204815, 299345, 778297, 3891485]

約数ペア:

[(1, 3891485), (5, 778297), (13, 299345), (19, 204815), (23, 169195), (65, 59869), (95, 40963), (115, 33839), (137, 28405), (247, 15755), (299, 13015), (437, 8905), (685, 5681), (1235, 3151), (1495, 2603), (1781, 2185)]