131213312

素因数分解:

$2^{11}\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 266011200

約数和(自身を除く): 134797888

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 811, 1024, 1264, 1622, 2048, 2528, 3244, 5056, 6488, 10112, 12976, 20224, 25952, 40448, 51904, 64069, 80896, 103808, 128138, 161792, 207616, 256276, 415232, 512552, 830464, 1025104, 1660928, 2050208, 4100416, 8200832, 16401664, 32803328, 65606656, 131213312]

約数ペア:

[(1, 131213312), (2, 65606656), (4, 32803328), (8, 16401664), (16, 8200832), (32, 4100416), (64, 2050208), (79, 1660928), (128, 1025104), (158, 830464), (256, 512552), (316, 415232), (512, 256276), (632, 207616), (811, 161792), (1024, 128138), (1264, 103808), (1622, 80896), (2048, 64069), (2528, 51904), (3244, 40448), (5056, 25952), (6488, 20224), (10112, 12976)]