313931888

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{40289}}^1$

素因数の和:40784

約数の個数: 20

約数和(自身を含む): 609507120

約数和(自身を除く): 295575232

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 40289, 80578, 161156, 322312, 644624, 19620743, 39241486, 78482972, 156965944, 313931888]

約数ペア:

[(1, 313931888), (2, 156965944), (4, 78482972), (8, 39241486), (16, 19620743), (487, 644624), (974, 322312), (1948, 161156), (3896, 80578), (7792, 40289)]