221660972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{8753}}^1$

素因数の和:9257

約数の個数: 24

約数和(自身を含む): 418651296

約数和(自身を除く): 196990324

約数列:

[1, 2, 4, 13, 26, 52, 487, 974, 1948, 6331, 8753, 12662, 17506, 25324, 35012, 113789, 227578, 455156, 4262711, 8525422, 17050844, 55415243, 110830486, 221660972]

約数ペア:

[(1, 221660972), (2, 110830486), (4, 55415243), (13, 17050844), (26, 8525422), (52, 4262711), (487, 455156), (974, 227578), (1948, 113789), (6331, 35012), (8753, 25324), (12662, 17506)]