28720068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2593}}^1$

素因数の和:2684

約数の個数: 48

約数和(自身を含む): 73213056

約数和(自身を除く): 44492988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2593, 2769, 3692, 5186, 5538, 7779, 10372, 11076, 15558, 31116, 33709, 67418, 101127, 134836, 184103, 202254, 368206, 404508, 552309, 736412, 1104618, 2209236, 2393339, 4786678, 7180017, 9573356, 14360034, 28720068]

約数ペア:

[(1, 28720068), (2, 14360034), (3, 9573356), (4, 7180017), (6, 4786678), (12, 2393339), (13, 2209236), (26, 1104618), (39, 736412), (52, 552309), (71, 404508), (78, 368206), (142, 202254), (156, 184103), (213, 134836), (284, 101127), (426, 67418), (852, 33709), (923, 31116), (1846, 15558), (2593, 11076), (2769, 10372), (3692, 7779), (5186, 5538)]