25749256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 55742400

約数和(自身を除く): 29993144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 83, 104, 152, 157, 166, 247, 314, 332, 494, 628, 664, 988, 1079, 1256, 1577, 1976, 2041, 2158, 2983, 3154, 4082, 4316, 5966, 6308, 8164, 8632, 11932, 12616, 13031, 16328, 20501, 23864, 26062, 38779, 41002, 52124, 77558, 82004, 104248, 155116, 164008, 169403, 247589, 310232, 338806, 495178, 677612, 990356, 1355224, 1980712, 3218657, 6437314, 12874628, 25749256]

約数ペア:

[(1, 25749256), (2, 12874628), (4, 6437314), (8, 3218657), (13, 1980712), (19, 1355224), (26, 990356), (38, 677612), (52, 495178), (76, 338806), (83, 310232), (104, 247589), (152, 169403), (157, 164008), (166, 155116), (247, 104248), (314, 82004), (332, 77558), (494, 52124), (628, 41002), (664, 38779), (988, 26062), (1079, 23864), (1256, 20501), (1577, 16328), (1976, 13031), (2041, 12616), (2158, 11932), (2983, 8632), (3154, 8164), (4082, 6308), (4316, 5966)]