81420738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{102031}}^1$

素因数の和:102062

約数の個数: 32

約数和(自身を含む): 195901440

約数和(自身を除く): 114480702

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 102031, 204062, 306093, 612186, 714217, 1428434, 1938589, 2142651, 3877178, 4285302, 5815767, 11631534, 13570123, 27140246, 40710369, 81420738]

約数ペア:

[(1, 81420738), (2, 40710369), (3, 27140246), (6, 13570123), (7, 11631534), (14, 5815767), (19, 4285302), (21, 3877178), (38, 2142651), (42, 1938589), (57, 1428434), (114, 714217), (133, 612186), (266, 306093), (399, 204062), (798, 102031)]