38404779

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 64044288

約数和(自身を除く): 25639509

約数列:

[1, 3, 7, 21, 23, 37, 49, 69, 111, 147, 161, 259, 307, 483, 777, 851, 921, 1127, 1813, 2149, 2553, 3381, 5439, 5957, 6447, 7061, 11359, 15043, 17871, 21183, 34077, 41699, 45129, 49427, 79513, 125097, 148281, 238539, 261257, 345989, 556591, 783771, 1037967, 1669773, 1828799, 5486397, 12801593, 38404779]

約数ペア:

[(1, 38404779), (3, 12801593), (7, 5486397), (21, 1828799), (23, 1669773), (37, 1037967), (49, 783771), (69, 556591), (111, 345989), (147, 261257), (161, 238539), (259, 148281), (307, 125097), (483, 79513), (777, 49427), (851, 45129), (921, 41699), (1127, 34077), (1813, 21183), (2149, 17871), (2553, 15043), (3381, 11359), (5439, 7061), (5957, 6447)]