201618389

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 243438336

約数和(自身を除く): 41819947

約数列:

[1, 7, 31, 49, 217, 331, 401, 1519, 2317, 2807, 10261, 12431, 16219, 19649, 71827, 87017, 132731, 502789, 609119, 929117, 4114661, 6503819, 28802627, 201618389]

約数ペア:

[(1, 201618389), (7, 28802627), (31, 6503819), (49, 4114661), (217, 929117), (331, 609119), (401, 502789), (1519, 132731), (2317, 87017), (2807, 71827), (10261, 19649), (12431, 16219)]