216517252

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{15749}}^1$

素因数の和:16251

約数の個数: 24

約数和(自身を含む): 433944000

約数和(自身を除く): 217426748

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 13748, 15749, 31498, 62996, 110243, 220486, 440972, 7732759, 15465518, 30931036, 54129313, 108258626, 216517252]

約数ペア:

[(1, 216517252), (2, 108258626), (4, 54129313), (7, 30931036), (14, 15465518), (28, 7732759), (491, 440972), (982, 220486), (1964, 110243), (3437, 62996), (6874, 31498), (13748, 15749)]