28748335265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 39831595776

約数和(自身を除く): 11083260511

約数列:

[1, 5, 13, 17, 65, 85, 163, 193, 221, 815, 827, 965, 1105, 2119, 2509, 2771, 3281, 4135, 10595, 10751, 12545, 13855, 14059, 16405, 31459, 36023, 42653, 53755, 70295, 134801, 157295, 159611, 180115, 182767, 213265, 408967, 534803, 674005, 798055, 913835, 1752413, 2044835, 2074943, 2291617, 2674015, 2713387, 6952439, 8762065, 10374715, 11458085, 13566935, 26016593, 29791021, 34762195, 35274031, 130082965, 148955105, 176370155, 338215709, 442282081, 1691078545, 2211410405, 5749667053, 28748335265]

約数ペア:

[(1, 28748335265), (5, 5749667053), (13, 2211410405), (17, 1691078545), (65, 442282081), (85, 338215709), (163, 176370155), (193, 148955105), (221, 130082965), (815, 35274031), (827, 34762195), (965, 29791021), (1105, 26016593), (2119, 13566935), (2509, 11458085), (2771, 10374715), (3281, 8762065), (4135, 6952439), (10595, 2713387), (10751, 2674015), (12545, 2291617), (13855, 2074943), (14059, 2044835), (16405, 1752413), (31459, 913835), (36023, 798055), (42653, 674005), (53755, 534803), (70295, 408967), (134801, 213265), (157295, 182767), (159611, 180115)]