25397528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12853}}^1$

素因数の和:12891

約数の個数: 32

約数和(自身を含む): 53986800

約数和(自身を除く): 28589272

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12853, 25706, 51412, 102824, 167089, 244207, 334178, 488414, 668356, 976828, 1336712, 1953656, 3174691, 6349382, 12698764, 25397528]

約数ペア:

[(1, 25397528), (2, 12698764), (4, 6349382), (8, 3174691), (13, 1953656), (19, 1336712), (26, 976828), (38, 668356), (52, 488414), (76, 334178), (104, 244207), (152, 167089), (247, 102824), (494, 51412), (988, 25706), (1976, 12853)]