165718864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1123}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 336174912

約数和(自身を除く): 170456048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 401, 802, 1123, 1604, 2246, 3208, 4492, 6416, 8984, 9223, 17968, 18446, 25829, 36892, 51658, 73784, 103316, 147568, 206632, 413264, 450323, 900646, 1801292, 3602584, 7205168, 10357429, 20714858, 41429716, 82859432, 165718864]

約数ペア:

[(1, 165718864), (2, 82859432), (4, 41429716), (8, 20714858), (16, 10357429), (23, 7205168), (46, 3602584), (92, 1801292), (184, 900646), (368, 450323), (401, 413264), (802, 206632), (1123, 147568), (1604, 103316), (2246, 73784), (3208, 51658), (4492, 36892), (6416, 25829), (8984, 18446), (9223, 17968)]