201780944

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{213751}}^1$

素因数の和:213818

約数の個数: 20

約数和(自身を含む): 397578720

約数和(自身を除く): 195797776

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 213751, 427502, 855004, 1710008, 3420016, 12611309, 25222618, 50445236, 100890472, 201780944]

約数ペア:

[(1, 201780944), (2, 100890472), (4, 50445236), (8, 25222618), (16, 12611309), (59, 3420016), (118, 1710008), (236, 855004), (472, 427502), (944, 213751)]