81742028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 158642400

約数和(自身を除く): 76900372

約数列:

[1, 2, 4, 19, 37, 38, 41, 74, 76, 82, 148, 164, 703, 709, 779, 1406, 1418, 1517, 1558, 2812, 2836, 3034, 3116, 6068, 13471, 26233, 26942, 28823, 29069, 52466, 53884, 57646, 58138, 104932, 115292, 116276, 498427, 552311, 996854, 1075553, 1104622, 1993708, 2151106, 2209244, 4302212, 20435507, 40871014, 81742028]

約数ペア:

[(1, 81742028), (2, 40871014), (4, 20435507), (19, 4302212), (37, 2209244), (38, 2151106), (41, 1993708), (74, 1104622), (76, 1075553), (82, 996854), (148, 552311), (164, 498427), (703, 116276), (709, 115292), (779, 104932), (1406, 58138), (1418, 57646), (1517, 53884), (1558, 52466), (2812, 29069), (2836, 28823), (3034, 26942), (3116, 26233), (6068, 13471)]