257940928

素因数分解:

$2^6\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3181}}^1$

素因数の和:3381

約数の個数: 56

約数和(自身を含む): 588389984

約数和(自身を除く): 330449056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 181, 224, 362, 448, 724, 1267, 1448, 2534, 2896, 3181, 5068, 5792, 6362, 10136, 11584, 12724, 20272, 22267, 25448, 40544, 44534, 50896, 81088, 89068, 101792, 178136, 203584, 356272, 575761, 712544, 1151522, 1425088, 2303044, 4030327, 4606088, 8060654, 9212176, 16121308, 18424352, 32242616, 36848704, 64485232, 128970464, 257940928]

約数ペア:

[(1, 257940928), (2, 128970464), (4, 64485232), (7, 36848704), (8, 32242616), (14, 18424352), (16, 16121308), (28, 9212176), (32, 8060654), (56, 4606088), (64, 4030327), (112, 2303044), (181, 1425088), (224, 1151522), (362, 712544), (448, 575761), (724, 356272), (1267, 203584), (1448, 178136), (2534, 101792), (2896, 89068), (3181, 81088), (5068, 50896), (5792, 44534), (6362, 40544), (10136, 25448), (11584, 22267), (12724, 20272)]