25649744

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 51300288

約数和(自身を除く): 25650544

約数列:

[1, 2, 4, 8, 16, 67, 71, 134, 142, 268, 284, 337, 536, 568, 674, 1072, 1136, 1348, 2696, 4757, 5392, 9514, 19028, 22579, 23927, 38056, 45158, 47854, 76112, 90316, 95708, 180632, 191416, 361264, 382832, 1603109, 3206218, 6412436, 12824872, 25649744]

約数ペア:

[(1, 25649744), (2, 12824872), (4, 6412436), (8, 3206218), (16, 1603109), (67, 382832), (71, 361264), (134, 191416), (142, 180632), (268, 95708), (284, 90316), (337, 76112), (536, 47854), (568, 45158), (674, 38056), (1072, 23927), (1136, 22579), (1348, 19028), (2696, 9514), (4757, 5392)]