72204568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 139138560

約数和(自身を除く): 66933992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 431, 487, 862, 974, 1724, 1948, 3448, 3896, 18533, 20941, 37066, 41882, 74132, 83764, 148264, 167528, 209897, 419794, 839588, 1679176, 9025571, 18051142, 36102284, 72204568]

約数ペア:

[(1, 72204568), (2, 36102284), (4, 18051142), (8, 9025571), (43, 1679176), (86, 839588), (172, 419794), (344, 209897), (431, 167528), (487, 148264), (862, 83764), (974, 74132), (1724, 41882), (1948, 37066), (3448, 20941), (3896, 18533)]