820437772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 1828249920

約数和(自身を除く): 1007812148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 443, 539, 859, 886, 1078, 1718, 1772, 2156, 3101, 3436, 4873, 6013, 6202, 9449, 9746, 12026, 12404, 18898, 19492, 21707, 24052, 34111, 37796, 42091, 43414, 66143, 68222, 84182, 86828, 132286, 136444, 168364, 238777, 264572, 380537, 463001, 477554, 761074, 926002, 955108, 1522148, 1852004, 2663759, 4185907, 5327518, 8371814, 10655036, 16743628, 18646313, 29301349, 37292626, 58602698, 74585252, 117205396, 205109443, 410218886, 820437772]

約数ペア:

[(1, 820437772), (2, 410218886), (4, 205109443), (7, 117205396), (11, 74585252), (14, 58602698), (22, 37292626), (28, 29301349), (44, 18646313), (49, 16743628), (77, 10655036), (98, 8371814), (154, 5327518), (196, 4185907), (308, 2663759), (443, 1852004), (539, 1522148), (859, 955108), (886, 926002), (1078, 761074), (1718, 477554), (1772, 463001), (2156, 380537), (3101, 264572), (3436, 238777), (4873, 168364), (6013, 136444), (6202, 132286), (9449, 86828), (9746, 84182), (12026, 68222), (12404, 66143), (18898, 43414), (19492, 42091), (21707, 37796), (24052, 34111)]