78335778

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 159081984

約数和(自身を除く): 80746206

約数列:

[1, 2, 3, 6, 137, 157, 274, 314, 411, 471, 607, 822, 942, 1214, 1821, 3642, 21509, 43018, 64527, 83159, 95299, 129054, 166318, 190598, 249477, 285897, 498954, 571794, 13055963, 26111926, 39167889, 78335778]

約数ペア:

[(1, 78335778), (2, 39167889), (3, 26111926), (6, 13055963), (137, 571794), (157, 498954), (274, 285897), (314, 249477), (411, 190598), (471, 166318), (607, 129054), (822, 95299), (942, 83159), (1214, 64527), (1821, 43018), (3642, 21509)]