78820105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 117105408

約数和(自身を除く): 38285303

約数列:

[1, 5, 7, 13, 35, 65, 91, 211, 455, 821, 1055, 1477, 2743, 4105, 5747, 7385, 10673, 13715, 19201, 28735, 53365, 74711, 96005, 173231, 373555, 866155, 1212617, 2252003, 6063085, 11260015, 15764021, 78820105]

約数ペア:

[(1, 78820105), (5, 15764021), (7, 11260015), (13, 6063085), (35, 2252003), (65, 1212617), (91, 866155), (211, 373555), (455, 173231), (821, 96005), (1055, 74711), (1477, 53365), (2743, 28735), (4105, 19201), (5747, 13715), (7385, 10673)]