211316398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 338300928

約数和(自身を除く): 126984530

約数列:

[1, 2, 31, 37, 62, 74, 251, 367, 502, 734, 1147, 2294, 7781, 9287, 11377, 13579, 15562, 18574, 22754, 27158, 92117, 184234, 287897, 420949, 575794, 841898, 2855627, 3408329, 5711254, 6816658, 105658199, 211316398]

約数ペア:

[(1, 211316398), (2, 105658199), (31, 6816658), (37, 5711254), (62, 3408329), (74, 2855627), (251, 841898), (367, 575794), (502, 420949), (734, 287897), (1147, 184234), (2294, 92117), (7781, 27158), (9287, 22754), (11377, 18574), (13579, 15562)]