72387568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21647}}^1$

素因数の和:21685

約数の個数: 40

約数和(自身を含む): 161061120

約数和(自身を除く): 88673552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 21647, 43294, 86588, 173176, 238117, 346352, 411293, 476234, 822586, 952468, 1645172, 1904936, 3290344, 3809872, 4524223, 6580688, 9048446, 18096892, 36193784, 72387568]

約数ペア:

[(1, 72387568), (2, 36193784), (4, 18096892), (8, 9048446), (11, 6580688), (16, 4524223), (19, 3809872), (22, 3290344), (38, 1904936), (44, 1645172), (76, 952468), (88, 822586), (152, 476234), (176, 411293), (209, 346352), (304, 238117), (418, 173176), (836, 86588), (1672, 43294), (3344, 21647)]