245689912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{124337}}^1$

素因数の和:124375

約数の個数: 32

約数和(自身を含む): 522219600

約数和(自身を除く): 276529688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 124337, 248674, 497348, 994696, 1616381, 2362403, 3232762, 4724806, 6465524, 9449612, 12931048, 18899224, 30711239, 61422478, 122844956, 245689912]

約数ペア:

[(1, 245689912), (2, 122844956), (4, 61422478), (8, 30711239), (13, 18899224), (19, 12931048), (26, 9449612), (38, 6465524), (52, 4724806), (76, 3232762), (104, 2362403), (152, 1616381), (247, 994696), (494, 497348), (988, 248674), (1976, 124337)]