990242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 1797120

約数和(自身を除く): 806878

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 103, 206, 209, 253, 418, 437, 506, 874, 1133, 1957, 2266, 2369, 3914, 4738, 4807, 9614, 21527, 26059, 43054, 45011, 52118, 90022, 495121, 990242]

約数ペア:

[(1, 990242), (2, 495121), (11, 90022), (19, 52118), (22, 45011), (23, 43054), (38, 26059), (46, 21527), (103, 9614), (206, 4807), (209, 4738), (253, 3914), (418, 2369), (437, 2266), (506, 1957), (874, 1133)]