4446988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 10097920

約数和(自身を除く): 5650932

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 643, 988, 1286, 1729, 2572, 3458, 4501, 6916, 8359, 9002, 12217, 16718, 18004, 24434, 33436, 48868, 58513, 85519, 117026, 158821, 171038, 234052, 317642, 342076, 635284, 1111747, 2223494, 4446988]

約数ペア:

[(1, 4446988), (2, 2223494), (4, 1111747), (7, 635284), (13, 342076), (14, 317642), (19, 234052), (26, 171038), (28, 158821), (38, 117026), (52, 85519), (76, 58513), (91, 48868), (133, 33436), (182, 24434), (247, 18004), (266, 16718), (364, 12217), (494, 9002), (532, 8359), (643, 6916), (988, 4501), (1286, 3458), (1729, 2572)]