261319084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6151}}^1$

素因数の和:6230

約数の個数: 48

約数和(自身を含む): 530548480

約数和(自身を除く): 269229396

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 2236, 3268, 6151, 10621, 12302, 21242, 24604, 42484, 79963, 116869, 159926, 233738, 264493, 319852, 467476, 528986, 1057972, 1519297, 3038594, 3438409, 5025367, 6077188, 6876818, 10050734, 13753636, 20101468, 65329771, 130659542, 261319084]

約数ペア:

[(1, 261319084), (2, 130659542), (4, 65329771), (13, 20101468), (19, 13753636), (26, 10050734), (38, 6876818), (43, 6077188), (52, 5025367), (76, 3438409), (86, 3038594), (172, 1519297), (247, 1057972), (494, 528986), (559, 467476), (817, 319852), (988, 264493), (1118, 233738), (1634, 159926), (2236, 116869), (3268, 79963), (6151, 42484), (10621, 24604), (12302, 21242)]