201813968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406883}}^1$

素因数の和:406922

約数の個数: 20

約数和(自身を含む): 403628928

約数和(自身を除く): 201814960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406883, 813766, 1627532, 3255064, 6510128, 12613373, 25226746, 50453492, 100906984, 201813968]

約数ペア:

[(1, 201813968), (2, 100906984), (4, 50453492), (8, 25226746), (16, 12613373), (31, 6510128), (62, 3255064), (124, 1627532), (248, 813766), (496, 406883)]