247484412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{991}}^2$

素因数の和:1999

約数の個数: 54

約数和(自身を含む): 715677144

約数和(自身を除く): 468192732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 991, 1982, 2973, 3964, 5946, 6937, 8919, 11892, 13874, 17838, 20811, 27748, 35676, 41622, 62433, 83244, 124866, 249732, 982081, 1964162, 2946243, 3928324, 5892486, 6874567, 8838729, 11784972, 13749134, 17677458, 20623701, 27498268, 35354916, 41247402, 61871103, 82494804, 123742206, 247484412]

約数ペア:

[(1, 247484412), (2, 123742206), (3, 82494804), (4, 61871103), (6, 41247402), (7, 35354916), (9, 27498268), (12, 20623701), (14, 17677458), (18, 13749134), (21, 11784972), (28, 8838729), (36, 6874567), (42, 5892486), (63, 3928324), (84, 2946243), (126, 1964162), (252, 982081), (991, 249732), (1982, 124866), (2973, 83244), (3964, 62433), (5946, 41622), (6937, 35676), (8919, 27748), (11892, 20811), (13874, 17838)]