64554704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1779

約数の個数: 40

約数和(自身を含む): 132744480

約数和(自身を除く): 68189776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 1621, 2096, 2489, 3242, 4978, 6484, 9956, 12968, 19912, 25936, 30799, 39824, 61598, 123196, 212351, 246392, 424702, 492784, 849404, 1698808, 3397616, 4034669, 8069338, 16138676, 32277352, 64554704]

約数ペア:

[(1, 64554704), (2, 32277352), (4, 16138676), (8, 8069338), (16, 4034669), (19, 3397616), (38, 1698808), (76, 849404), (131, 492784), (152, 424702), (262, 246392), (304, 212351), (524, 123196), (1048, 61598), (1621, 39824), (2096, 30799), (2489, 25936), (3242, 19912), (4978, 12968), (6484, 9956)]