201964357

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 256389120

約数和(自身を除く): 54424763

約数列:

[1, 7, 19, 23, 103, 133, 161, 437, 641, 721, 1957, 2369, 3059, 4487, 12179, 13699, 14743, 16583, 45011, 66023, 85253, 103201, 280117, 315077, 462161, 1254437, 1518529, 1960819, 8781059, 10629703, 28852051, 201964357]

約数ペア:

[(1, 201964357), (7, 28852051), (19, 10629703), (23, 8781059), (103, 1960819), (133, 1518529), (161, 1254437), (437, 462161), (641, 315077), (721, 280117), (1957, 103201), (2369, 85253), (3059, 66023), (4487, 45011), (12179, 16583), (13699, 14743)]