142378405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 192707424

約数和(自身を除く): 50329019

約数列:

[1, 5, 13, 37, 53, 65, 185, 265, 481, 689, 1117, 1961, 2405, 3445, 5585, 9805, 14521, 25493, 41329, 59201, 72605, 127465, 206645, 296005, 537277, 769613, 2190437, 2686385, 3848065, 10952185, 28475681, 142378405]

約数ペア:

[(1, 142378405), (5, 28475681), (13, 10952185), (37, 3848065), (53, 2686385), (65, 2190437), (185, 769613), (265, 537277), (481, 296005), (689, 206645), (1117, 127465), (1961, 72605), (2405, 59201), (3445, 41329), (5585, 25493), (9805, 14521)]