81687296

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{5231}}^1$

素因数の和:5308

約数の個数: 36

約数和(自身を含む): 165760224

約数和(自身を除く): 84072928

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 5231, 7808, 10462, 15616, 20924, 41848, 83696, 167392, 319091, 334784, 638182, 669568, 1276364, 1339136, 2552728, 5105456, 10210912, 20421824, 40843648, 81687296]

約数ペア:

[(1, 81687296), (2, 40843648), (4, 20421824), (8, 10210912), (16, 5105456), (32, 2552728), (61, 1339136), (64, 1276364), (122, 669568), (128, 638182), (244, 334784), (256, 319091), (488, 167392), (976, 83696), (1952, 41848), (3904, 20924), (5231, 15616), (7808, 10462)]