81144112

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23371}}^1$

素因数の和:23417

約数の個数: 40

約数和(自身を含む): 185480192

約数和(自身を除く): 104336080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 23371, 46742, 93484, 163597, 186968, 327194, 373936, 654388, 724501, 1308776, 1449002, 2617552, 2898004, 5071507, 5796008, 10143014, 11592016, 20286028, 40572056, 81144112]

約数ペア:

[(1, 81144112), (2, 40572056), (4, 20286028), (7, 11592016), (8, 10143014), (14, 5796008), (16, 5071507), (28, 2898004), (31, 2617552), (56, 1449002), (62, 1308776), (112, 724501), (124, 654388), (217, 373936), (248, 327194), (434, 186968), (496, 163597), (868, 93484), (1736, 46742), (3472, 23371)]