25394642

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 23940910

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 643, 806, 1274, 1286, 1519, 2821, 3038, 4501, 5642, 8359, 9002, 16718, 19747, 19933, 31507, 39494, 39866, 58513, 63014, 117026, 139531, 259129, 279062, 409591, 518258, 819182, 976717, 1813903, 1953434, 3627806, 12697321, 25394642]

約数ペア:

[(1, 25394642), (2, 12697321), (7, 3627806), (13, 1953434), (14, 1813903), (26, 976717), (31, 819182), (49, 518258), (62, 409591), (91, 279062), (98, 259129), (182, 139531), (217, 117026), (403, 63014), (434, 58513), (637, 39866), (643, 39494), (806, 31507), (1274, 19933), (1286, 19747), (1519, 16718), (2821, 9002), (3038, 8359), (4501, 5642)]