64637872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2981

約数の個数: 40

約数和(自身を含む): 136154480

約数和(自身を除く): 71516608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 2851, 5668, 5702, 11336, 11404, 22672, 22808, 37063, 45616, 74126, 148252, 296504, 310759, 593008, 621518, 1243036, 2486072, 4039867, 4972144, 8079734, 16159468, 32318936, 64637872]

約数ペア:

[(1, 64637872), (2, 32318936), (4, 16159468), (8, 8079734), (13, 4972144), (16, 4039867), (26, 2486072), (52, 1243036), (104, 621518), (109, 593008), (208, 310759), (218, 296504), (436, 148252), (872, 74126), (1417, 45616), (1744, 37063), (2834, 22808), (2851, 22672), (5668, 11404), (5702, 11336)]