28171224

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20593}}^1$

素因数の和:20624

約数の個数: 48

約数和(自身を含む): 80316600

約数和(自身を除く): 52145376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20593, 41186, 61779, 82372, 123558, 164744, 185337, 247116, 370674, 391267, 494232, 741348, 782534, 1173801, 1482696, 1565068, 2347602, 3130136, 3521403, 4695204, 7042806, 9390408, 14085612, 28171224]

約数ペア:

[(1, 28171224), (2, 14085612), (3, 9390408), (4, 7042806), (6, 4695204), (8, 3521403), (9, 3130136), (12, 2347602), (18, 1565068), (19, 1482696), (24, 1173801), (36, 782534), (38, 741348), (57, 494232), (72, 391267), (76, 370674), (114, 247116), (152, 185337), (171, 164744), (228, 123558), (342, 82372), (456, 61779), (684, 41186), (1368, 20593)]