251686976

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2803}}^1$

素因数の和:2899

約数の個数: 56

約数和(自身を含む): 529888704

約数和(自身を除く): 278201728

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 64, 92, 122, 184, 244, 368, 488, 736, 976, 1403, 1472, 1952, 2803, 2806, 3904, 5606, 5612, 11212, 11224, 22424, 22448, 44848, 44896, 64469, 89696, 89792, 128938, 170983, 179392, 257876, 341966, 515752, 683932, 1031504, 1367864, 2063008, 2735728, 3932609, 4126016, 5471456, 7865218, 10942912, 15730436, 31460872, 62921744, 125843488, 251686976]

約数ペア:

[(1, 251686976), (2, 125843488), (4, 62921744), (8, 31460872), (16, 15730436), (23, 10942912), (32, 7865218), (46, 5471456), (61, 4126016), (64, 3932609), (92, 2735728), (122, 2063008), (184, 1367864), (244, 1031504), (368, 683932), (488, 515752), (736, 341966), (976, 257876), (1403, 179392), (1472, 170983), (1952, 128938), (2803, 89792), (2806, 89696), (3904, 64469), (5606, 44896), (5612, 44848), (11212, 22448), (11224, 22424)]