256541664978

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1973}}^1\times {\mathrm{67511}}^1$

素因数の和:69599

約数の個数: 48

約数和(自身を含む): 561327713856

約数和(自身を除く): 304786048878

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 1973, 3946, 5919, 11838, 17757, 35514, 67511, 135022, 202533, 211111, 405066, 422222, 607599, 633333, 1215198, 1266666, 1899999, 3799998, 7223677, 14447354, 21671031, 43342062, 65013093, 130026186, 133199203, 266398406, 399597609, 799195218, 1198792827, 2397585654, 14252314721, 28504629442, 42756944163, 85513888326, 128270832489, 256541664978]

約数ペア:

[(1, 256541664978), (2, 128270832489), (3, 85513888326), (6, 42756944163), (9, 28504629442), (18, 14252314721), (107, 2397585654), (214, 1198792827), (321, 799195218), (642, 399597609), (963, 266398406), (1926, 133199203), (1973, 130026186), (3946, 65013093), (5919, 43342062), (11838, 21671031), (17757, 14447354), (35514, 7223677), (67511, 3799998), (135022, 1899999), (202533, 1266666), (211111, 1215198), (405066, 633333), (422222, 607599)]