664456467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 948844800

約数和(自身を除く): 284388333

約数列:

[1, 3, 19, 57, 89, 227, 267, 577, 681, 1691, 1731, 4313, 5073, 10963, 12939, 20203, 32889, 51353, 60609, 130979, 154059, 383857, 392937, 975707, 1151571, 2488601, 2927121, 7465803, 11657131, 34971393, 221485489, 664456467]

約数ペア:

[(1, 664456467), (3, 221485489), (19, 34971393), (57, 11657131), (89, 7465803), (227, 2927121), (267, 2488601), (577, 1151571), (681, 975707), (1691, 392937), (1731, 383857), (4313, 154059), (5073, 130979), (10963, 60609), (12939, 51353), (20203, 32889)]