64990804

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 115976448

約数和(自身を除く): 50985644

約数列:

[1, 2, 4, 67, 134, 268, 281, 562, 863, 1124, 1726, 3452, 18827, 37654, 57821, 75308, 115642, 231284, 242503, 485006, 970012, 16247701, 32495402, 64990804]

約数ペア:

[(1, 64990804), (2, 32495402), (4, 16247701), (67, 970012), (134, 485006), (268, 242503), (281, 231284), (562, 115642), (863, 75308), (1124, 57821), (1726, 37654), (3452, 18827)]