81781942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 137303424

約数和(自身を除く): 55521482

約数列:

[1, 2, 11, 22, 67, 113, 134, 226, 491, 737, 982, 1243, 1474, 2486, 5401, 7571, 10802, 15142, 32897, 55483, 65794, 83281, 110966, 166562, 361867, 610313, 723734, 1220626, 3717361, 7434722, 40890971, 81781942]

約数ペア:

[(1, 81781942), (2, 40890971), (11, 7434722), (22, 3717361), (67, 1220626), (113, 723734), (134, 610313), (226, 361867), (491, 166562), (737, 110966), (982, 83281), (1243, 65794), (1474, 55483), (2486, 32897), (5401, 15142), (7571, 10802)]