278329956

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{887}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 660387840

約数和(自身を除く): 382057884

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 331, 474, 662, 887, 948, 993, 1324, 1774, 1986, 2661, 3548, 3972, 5322, 10644, 26149, 52298, 70073, 78447, 104596, 140146, 156894, 210219, 280292, 293597, 313788, 420438, 587194, 840876, 880791, 1174388, 1761582, 3523164, 23194163, 46388326, 69582489, 92776652, 139164978, 278329956]

約数ペア:

[(1, 278329956), (2, 139164978), (3, 92776652), (4, 69582489), (6, 46388326), (12, 23194163), (79, 3523164), (158, 1761582), (237, 1174388), (316, 880791), (331, 840876), (474, 587194), (662, 420438), (887, 313788), (948, 293597), (993, 280292), (1324, 210219), (1774, 156894), (1986, 140146), (2661, 104596), (3548, 78447), (3972, 70073), (5322, 52298), (10644, 26149)]