261567805345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1\times {\mathrm{7703}}^1$

素因数の和:8806

約数の個数: 64

約数和(自身を含む): 396180357120

約数和(自身を除く): 134612551775

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 623, 979, 991, 3115, 4895, 4955, 6853, 6937, 7703, 10901, 34265, 34685, 38515, 53921, 54505, 76307, 84733, 88199, 269605, 381535, 423665, 440995, 593131, 617393, 685567, 970189, 2965655, 3086965, 3427835, 4798969, 4850945, 6791323, 7541237, 7633673, 23994845, 33956615, 37706185, 38168365, 52788659, 53435711, 83970403, 263943295, 267178555, 419852015, 587792821, 679396897, 2938964105, 3396984485, 4755778279, 7473365867, 23778891395, 37366829335, 52313561069, 261567805345]

約数ペア:

[(1, 261567805345), (5, 52313561069), (7, 37366829335), (11, 23778891395), (35, 7473365867), (55, 4755778279), (77, 3396984485), (89, 2938964105), (385, 679396897), (445, 587792821), (623, 419852015), (979, 267178555), (991, 263943295), (3115, 83970403), (4895, 53435711), (4955, 52788659), (6853, 38168365), (6937, 37706185), (7703, 33956615), (10901, 23994845), (34265, 7633673), (34685, 7541237), (38515, 6791323), (53921, 4850945), (54505, 4798969), (76307, 3427835), (84733, 3086965), (88199, 2965655), (269605, 970189), (381535, 685567), (423665, 617393), (440995, 593131)]