81538744

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 180165600

約数和(自身を除く): 98626856

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 2212, 2633, 3871, 4424, 5266, 7742, 10532, 15484, 18431, 21064, 30968, 36862, 73724, 129017, 147448, 208007, 258034, 416014, 516068, 832028, 1032136, 1456049, 1664056, 2912098, 5824196, 10192343, 11648392, 20384686, 40769372, 81538744]

約数ペア:

[(1, 81538744), (2, 40769372), (4, 20384686), (7, 11648392), (8, 10192343), (14, 5824196), (28, 2912098), (49, 1664056), (56, 1456049), (79, 1032136), (98, 832028), (158, 516068), (196, 416014), (316, 258034), (392, 208007), (553, 147448), (632, 129017), (1106, 73724), (2212, 36862), (2633, 30968), (3871, 21064), (4424, 18431), (5266, 15484), (7742, 10532)]