208320385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 317278080

約数和(自身を除く): 108957695

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 169, 205, 287, 455, 533, 845, 859, 1183, 1435, 2665, 3731, 4295, 5915, 6013, 6929, 11167, 18655, 30065, 34645, 35219, 48503, 55835, 78169, 145171, 176095, 242515, 246533, 390845, 457847, 725855, 1016197, 1232665, 2289235, 3204929, 5080985, 5952011, 16024645, 29760055, 41664077, 208320385]

約数ペア:

[(1, 208320385), (5, 41664077), (7, 29760055), (13, 16024645), (35, 5952011), (41, 5080985), (65, 3204929), (91, 2289235), (169, 1232665), (205, 1016197), (287, 725855), (455, 457847), (533, 390845), (845, 246533), (859, 242515), (1183, 176095), (1435, 145171), (2665, 78169), (3731, 55835), (4295, 48503), (5915, 35219), (6013, 34645), (6929, 30065), (11167, 18655)]