988217284

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 1844752000

約数和(自身を除く): 856534716

約数列:

[1, 2, 4, 19, 38, 76, 181, 199, 361, 362, 398, 722, 724, 796, 1444, 3439, 3781, 6859, 6878, 7562, 13718, 13756, 15124, 27436, 36019, 65341, 71839, 72038, 130682, 143678, 144076, 261364, 287356, 684361, 1241479, 1364941, 1368722, 2482958, 2729882, 2737444, 4965916, 5459764, 13002859, 26005718, 52011436, 247054321, 494108642, 988217284]

約数ペア:

[(1, 988217284), (2, 494108642), (4, 247054321), (19, 52011436), (38, 26005718), (76, 13002859), (181, 5459764), (199, 4965916), (361, 2737444), (362, 2729882), (398, 2482958), (722, 1368722), (724, 1364941), (796, 1241479), (1444, 684361), (3439, 287356), (3781, 261364), (6859, 144076), (6878, 143678), (7562, 130682), (13718, 72038), (13756, 71839), (15124, 65341), (27436, 36019)]