81327928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22541}}^1$

素因数の和:22599

約数の個数: 32

約数和(自身を含む): 170417520

約数和(自身を除く): 89089592

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 22541, 45082, 90164, 180328, 247951, 495902, 924181, 991804, 1848362, 1983608, 3696724, 7393448, 10165991, 20331982, 40663964, 81327928]

約数ペア:

[(1, 81327928), (2, 40663964), (4, 20331982), (8, 10165991), (11, 7393448), (22, 3696724), (41, 1983608), (44, 1848362), (82, 991804), (88, 924181), (164, 495902), (328, 247951), (451, 180328), (902, 90164), (1804, 45082), (3608, 22541)]